Universität zu Köln

Journal Article

Baume, Norbert, Geyer, Hans, Vouillamoz, Marc, Grisdale, Richard, Earl, Mike, Aguilera, Rodrigo, Cowan, David A., Ericsson, Magnus, Gmeiner, Guenter, Kwiatkowska, Dorota, Kioukia-Fougia, Nassia, Molina, Adeline, Ruivo, Joao, Segura, Jordi, Van Eenoo, Peter, Jan, Nicolas, Robinson, Neil and Saugy, Martial (2016). Evaluation of longitudinal steroid profiles from male football players in UEFA competitions between 2008 and 2013. Drug Test. Anal., 8 (7). S. 603 - 613. HOBOKEN: WILEY. ISSN 1942-7611

Breuer, Johanna, Thomas, Andreas, Delahaut, Philippe, Schaenzer, Wilhelm, Geyer, Hans and Thevis, Mario (2023). Investigations into the concentration and metabolite profiles of stanozolol and LGD-4033 in blood plasma and seminal fluid using liquid chromatography high-resolution mass spectrometry. Anal. Bioanal. Chem., 415 (4). S. 669 - 682. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1618-2650

Dib, Josef, Bosse, Christina, Tsivou, Maria ORCID: 0000-0003-1494-9009, Glatt, Anna-M., Geisendorfer, Thomas, Geyer, Hans, Gmeiner, Guenter, Sigmund, Gerd and Thevis, Mario (2019). Is heptaminol a (major) metabolite of octodrine? Drug Test. Anal., 11 (11-12). S. 1761 - 1764. HOBOKEN: WILEY. ISSN 1942-7611

Dvorak, Jiri, Baume, Norbert, Botre, Francesco, Broseus, Julian, Budgett, Richard, Frey, Walter O., Geyer, Hans, Harcourt, Peter Rex, Ho, Dave, Howman, David, Isola, Victor, Lundby, Carsten, Marclay, Francois, Peytavin, Annie, Pipe, Andrew, Pitsiladis, Yannis P., Reichel, Christian, Robinson, Neil, Rodchenkov, Grigory, Saugy, Martial, Sayegh, Souheil, Segura, Jordi, Thevis, Mario, Vernec, Alan, Viret, Marjolaine ORCID: 0000-0003-0746-8266, Vouillamoz, Marc and Zorzoli, Mario (2014). Time for change: a roadmap to guide the implementation of the World Anti-Doping Code 2015. Br. J. Sports Med., 48 (10). S. 801 - 807. LONDON: BMJ PUBLISHING GROUP. ISSN 1473-0480

Geyer, Hans, Schaenzer, Wilhelm and Thevis, Mario (2014). Anabolic agents: recent strategies for their detection and protection from inadvertent doping. Br. J. Sports Med., 48 (10). S. 820 - 828. LONDON: BMJ PUBLISHING GROUP. ISSN 1473-0480

Goegens, Christian, Guddat, Sven, Dib, Josef, Geyer, Hans, Schaenzer, Wilhelm and Thevis, Mario (2015). Mildronate (Meldonium) in professional sports - monitoring doping control urine samples using hydrophilic interaction liquid chromatography - high resolution/high accuracy mass spectrometry. Drug Test. Anal., 7 (11-12). S. 973 - 980. HOBOKEN: WILEY. ISSN 1942-7611

Goergens, Christian, Guddat, Sven, Bosse, Christina, Geyer, Hans, Pop, Valentin, Schaenzer, Wilhelm and Thevis, Mario (2017). The atypical excretion profile of meldonium: Comparison of urinary detection windows after single- and multiple-dose application in healthy volunteers. J. Pharm. Biomed. Anal., 138. S. 175 - 180. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1873-264X

Goergens, Christian, Guddat, Sven, Bosse, Christina, Knoop, Andre ORCID: 0000-0003-0040-8754, Geyer, Hans and Thevis, Mario (2020). Implementation of the HIF activator IOX-2 in routine doping controls - Pilot study data. Drug Test. Anal., 12 (11-12). S. 1614 - 1620. HOBOKEN: WILEY. ISSN 1942-7611

Helmlin, Hans-Jorg, Murner, Andre, Steiner, Samuel, Kamber, Matthias, Weber, Christina, Geyer, Hans, Guddat, Sven, Schaenzer, Wilhelm and Thevis, Mario (2016). Detection of the diuretic hydrochlorothiazide in a doping control urine sample as the result of a non-steroidal anti-inflammatory drug (NSAID) tablet contamination. Forensic Sci.Int., 267. S. 166 - 173. CLARE: ELSEVIER IRELAND LTD. ISSN 1872-6283

Hoffmeister, Torben, Schwenke, Dirk, Krug, Oliver, Wachsmuth, Nadine, Geyer, Hans, Thevis, Mario, Byrnes, William C. and Schmidt, Walter F. J. (2018). Effects of 3 Weeks of Oral Low-Dose Cobalt on Hemoglobin Mass and Aerobic Performance. Front. Physiol., 9. LAUSANNE: FRONTIERS MEDIA SA. ISSN 1664-042X

Knoop, Andre ORCID: 0000-0003-0040-8754, Fusshoeller, Gregor, Haenelt, Nadine, Goergens, Christian, Guddat, Sven, Geyer, Hans and Thevis, Mario (2021). Mass spectrometric characterization of urinary hydrafinil metabolites for routine doping control purposes. Drug Test. Anal., 13 (11-12). S. 1915 - 1921. HOBOKEN: WILEY. ISSN 1942-7611

Knoop, Andre, Goergens, Christian, Geyer, Hans and Thevis, Mario (2020). Elevated urinary cobalt concentrations identified in routine doping controls can originate from vitamin B-12. Rapid Commun. Mass Spectrom., 34 (7). HOBOKEN: WILEY. ISSN 1097-0231

Koehler, Karsten ORCID: 0000-0002-9618-2069, Braun, Hans, de Marees, Markus, Geyer, Hans, Thevis, Mario, Mester, Joachim and Schaenzer, Wilhelm (2014). Glycerol administration before endurance exercise: metabolism, urinary glycerol excretion and effects on doping-relevant blood parameters. Drug Test. Anal., 6 (3). S. 202 - 210. HOBOKEN: WILEY. ISSN 1942-7611

Koehler, Karsten ORCID: 0000-0002-9618-2069, Braun, Hans, de Marees, Markus, Geyer, Hans, Thevis, Mario, Mester, Joachim and Schaenzer, Wilhelm (2011). Urinary excretion of exogenous glycerol administration at rest. Drug Test. Anal., 3 (11-12). S. 877 - 883. HOBOKEN: WILEY-BLACKWELL. ISSN 1942-7611

Kohler, Maxie, Thomas, Andreas ORCID: 0000-0003-1199-0743, Geyer, Hans, Petrou, Michael, Schaenzer, Wilhelm and Thevisa, Mario (2010). Confiscated Black Market Products and Nutritional Supplements with Non-Approved Ingredients Analyzed in the Cologne Doping Control Laboratory 2009. Drug Test. Anal., 2 (11-12). S. 533 - 538. HOBOKEN: WILEY-BLACKWELL. ISSN 1942-7611

Krug, Oliver, Kutscher, Daniel, Piper, Thomas ORCID: 0000-0002-7462-6693, Geyer, Hans, Schaenzer, Wilhelm and Thevis, Mario (2014). Quantifying cobalt in doping control urine samples - a pilot study. Drug Test. Anal., 6 (11-12). S. 1186 - 1191. HOBOKEN: WILEY-BLACKWELL. ISSN 1942-7611

Krumbholz, Aniko, Anielski, Patricia, Gfrerer, Lena, Graw, Matthias, Geyer, Hans, Schaenzer, Wilhelm, Dvorak, Jiri and Thieme, Detlef (2014). Statistical significance of hair analysis of clenbuterol to discriminate therapeutic use from contamination. Drug Test. Anal., 6 (11-12). S. 1108 - 1117. HOBOKEN: WILEY. ISSN 1942-7611

Lange, Tobias, Walpurgis, Katja, Thomas, Andreas ORCID: 0000-0003-1199-0743, Geyer, Hans and Thevis, Mario (2019). Development of two complementary LC-HRMS methods for analyzing sotatercept in dried blood spots for doping controls. Bioanalysis, 11 (10). S. 923 - 941. LONDON: FUTURE SCI LTD. ISSN 1757-6199

Lehmann, Sabrina, Thomas, Andreas, Schiwy-Bochat, Karl-Heinz, Geyer, Hans, Thevis, Mario, Glenewinkel, Frank, Rothschild, Markus Alexander, Andresen-Streichert, Hilke and Juebner, Martin (2019). Death after misuse of anabolic substances (clenbuterol, stanozolol and metandienone). Forensic Sci.Int., 303. CLARE: ELSEVIER IRELAND LTD. ISSN 1872-6283

Mareck, Ute, Fusshoeller, Gregor, Geyer, Hans, Huestis, Marilyn A., Scheiff, Anja B. and Thevis, Mario . Preliminary data on the potential for unintentional antidoping rule violations by permitted cannabidiol (CBD) use. Drug Test. Anal.. HOBOKEN: WILEY. ISSN 1942-7611

Mareck, Ute, Geyer, Hans, Fusshoeller, Gregor, Schwenke, Anne, Haenelt, Nadine, Piper, Thomas ORCID: 0000-0002-7462-6693, Thevis, Mario and Schaenzer, Wilhelm (2010). Reporting and managing elevated testosterone/epitestosterone ratios - Novel aspects after five years' experience. Drug Test. Anal., 2 (11-12). S. 637 - 643. MALDEN: WILEY-BLACKWELL. ISSN 1942-7603

Mareck, Ute, Geyer, Hans, Schertel, Thomas, Petring, Simon, Krug, Oliver and Thevis, Mario (2021). Detection of undeclared doping substances in nutritional supplements in the context of follow-up investigations concerning adverse analytical findings. Drug Test. Anal., 13 (11-12). S. 1911 - 1915. HOBOKEN: WILEY. ISSN 1942-7611

Mareck, Ute, Guddat, Sven, Schwenke, Anne, Beuck, Simon, Geyer, Hans, Flenker, Ulrich, Elers, Jimmi, Backer, Vibeke ORCID: 0000-0002-7806-7219, Thevis, Mario and Schaenzer, Wilhelm (2011). Determination of salbutamol and salbutamol glucuronide in human urine by means of liquid chromatography-tandem mass spectrometry. Drug Test. Anal., 3 (11-12). S. 820 - 828. HOBOKEN: WILEY-BLACKWELL. ISSN 1942-7611

Maughan, Ronald J., Burke, Louise M., Dvorak, Jiri, Larson-Meyer, D. Enette, Peeling, Peter ORCID: 0000-0002-3895-0015, Phillips, Stuart M., Rawson, Eric S., Walsh, Neil P., Garthe, Ina, Geyer, Hans, Meeusen, Romain, van Loon, Lucas J. C., Shirreffs, Susan M., Spriet, Lawrence L., Stuart, Mark, Vernec, Alan, Currell, Kevin, Ali, Vidya M., Budgett, Richard G. M., Ljungqvist, Arne, Mountjoy, Margo, Pitsiladis, Yannis P., Soligard, Torbjorn ORCID: 0000-0001-8863-4574, Erdener, Ugur and Engebretsen, Lars (2018). IOC consensus statement: dietary supplements and the high-performance athlete. Br. J. Sports Med., 52 (7). S. 439 - 456. LONDON: BMJ PUBLISHING GROUP. ISSN 1473-0480

Moeller, Ines, Thomas, Andreas ORCID: 0000-0003-1199-0743, Delahaut, Philippe, Geyer, Hans, Schaenzer, Wilhelm and Thevis, Mario (2012). Mass spectrometric detection of peginesatide in human urine in doping control analysis. J. Pharm. Biomed. Anal., 70. S. 512 - 518. AMSTERDAM: ELSEVIER. ISSN 1873-264X

Piper, Thomas, Fusshoeller, Gregor, Geyer, Hans, Toboc, Ani, Danila, Madalin-George and Thevis, Mario (2020). Detecting the misuse of 7-oxo-DHEA by means of carbon isotope ratio mass spectrometry in doping control analysis. Rapid Commun. Mass Spectrom., 34 (12). HOBOKEN: WILEY. ISSN 1097-0231

Piper, Thomas, Geyer, Hans, Haenelt, Nadine, Huelsemann, Frank, Schaenzer, Wilhelm and Thevis, Mario (2021). Current Insights into the Steroidal Module of the Athlete Biological Passport. Int. J. Sports Med., 42 (10). S. 863 - 879. STUTTGART: GEORG THIEME VERLAG KG. ISSN 1439-3964

Piper, Thomas, Geyer, Hans, Nieschlag, Eberhard, Bally, Lia and Thevis, Mario (2021). Carbon isotope ratios of endogenous steroids found in human serum-method development, validation, and reference population-derived thresholds. Anal. Bioanal. Chem., 413 (22). S. 5655 - 5668. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1618-2650

Piper, Thomas ORCID: 0000-0002-7462-6693, Geyer, Hans and Schaenzer, Wilhelm (2010). Degradation of urine samples and its influence on the C-13/C-12 ratios of excreted steroids. Drug Test. Anal., 2 (11-12). S. 620 - 630. HOBOKEN: WILEY. ISSN 1942-7611

Piper, Thomas, Haenelt, Nadine, Fusshoeller, Gregor, Geyer, Hans and Thevis, Mario (2021). Sensitive detection of testosterone and testosterone prohormone administrations based on urinary concentrations and carbon isotope ratios of androsterone and etiocholanolone. Drug Test. Anal., 13 (11-12). S. 1835 - 1852. HOBOKEN: WILEY. ISSN 1942-7611

Rubio, Ana, Goergens, Christian, Krug, Oliver, Okano, Masato, Fedoruk, Matthew ORCID: 0000-0002-9553-9476, Ahrens, Brian, Geyer, Hans and Thevis, Mario (2021). Chromatographic-mass spectrometric analysis of the urinary metabolite profile of chlorphenesin observed after dermal application of chlorphenesin-containing sunscreen. Rapid Commun. Mass Spectrom., 35 (21). HOBOKEN: WILEY. ISSN 1097-0231

Schaefer, Maximilian S., Piper, Thomas ORCID: 0000-0002-7462-6693, Geyer, Hans, Schneemann, Julia, Neukirchen, Martin, Thevis, Mario and Kienbaum, Peter (2017). Xenon elimination kinetics following brief exposure. Drug Test. Anal., 9 (5). S. 666 - 671. HOBOKEN: WILEY. ISSN 1942-7611

Schaenzer, Wilhelm, Geyer, Hans and Thevis, Mario (2020). Tainted toothpaste - Analytical investigation into an unusual adverse finding. Drug Test. Anal., 12 (5). S. 570 - 573. HOBOKEN: WILEY. ISSN 1942-7611

Schaenzer, Wilhelm, Guddat, Sven, Thomas, Andreas ORCID: 0000-0003-1199-0743, Opfermann, Georg, Geyer, Hans and Thevis, Mario (2013). Expanding analytical possibilities concerning the detection of stanozolol misuse by means of high resolution/high accuracy mass spectrometric detection of stanozolol glucuronides in human sports drug testing. Drug Test. Anal., 5 (11-12). S. 810 - 819. HOBOKEN: WILEY-BLACKWELL. ISSN 1942-7611

Thevis, Mario, Gerace, Enrico ORCID: 0000-0002-4499-4276, Thomas, Andreas ORCID: 0000-0003-1199-0743, Beuck, Simon, Geyer, Hans, Schloerer, Nils ORCID: 0000-0002-0990-9582, Kearbey, Jeffrey D., Dalton, James T. and Schaenzer, Wilhelm (2010). Characterization of in vitro generated metabolites of the selective androgen receptor modulators S-22 and S-23 and in vivo comparison to post-administration canine urine specimens. Drug Test. Anal., 2 (11-12). S. 589 - 599. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Geyer, Hans, Thomas, Andreas ORCID: 0000-0003-1199-0743, Tretzel, Laura, Bailloux, Isabelle, Buisson, Corinne, Lasne, Francoise, Schaefer, Maximilian S., Kienbaum, Peter ORCID: 0000-0002-0655-9177, Mueller-Stoever, Irmela and Schaenzer, Wilhelm (2015). Formation of the diuretic chlorazanil from the antimalarial drug proguanil-Implications for sports drug testing. J. Pharm. Biomed. Anal., 115. S. 208 - 214. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1873-264X

Thevis, Mario, Geyer, Hans, Tretzel, Laura and Schaezer, Wilhelm (2016). Sports drug testing using complementary matrices: Advantages and limitations. J. Pharm. Biomed. Anal., 130. S. 220 - 231. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1873-264X

Thevis, Mario, Goergens, Christian, Guddat, Sven, Thomas, Andreas and Geyer, Hans . Mass spectrometry in sports drug testing-Analytical approaches and the athletes' exposome. Scand. J. Med. Sci. Sports. HOBOKEN: WILEY. ISSN 1600-0838

Thevis, Mario, Knoop, Andre, Schaefer, Maximilian S., Dufaux, Bertin, Schrader, Yvonne, Thomas, Andreas and Geyer, Hans (2020). Can dried blood spots (DBS) contribute to conducting comprehensive SARS-CoV-2 antibody tests? Drug Test. Anal., 12 (7). S. 994 - 998. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Krug, Oliver, Geyer, Hans and Schaenzer, Wilhelm (2017). Expanding analytical options in sports drug testing: Mass spectrometric detection of prohibited substances in exhaled breath. Rapid Commun. Mass Spectrom., 31 (15). S. 1290 - 1297. HOBOKEN: WILEY. ISSN 1097-0231

Thevis, Mario, Krug, Oliver, Geyer, Hans, Walpurgis, Katja, Baume, Norbert and Thomas, Andreas ORCID: 0000-0003-1199-0743 (2018). Analytical challenges in sports drug testing. Anal. Bioanal. Chem., 410 (9). S. 2275 - 2282. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1618-2650

Thevis, Mario, Kuuranne, Tiia, Dib, Josef, Thomas, Andreas and Geyer, Hans (2020). Do dried blood spots (DBS) have the potential to support result management processes in routine sports drug testing? Drug Test. Anal., 12 (6). S. 704 - 711. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Kuuranne, Tiia, Fedoruk, Matthew ORCID: 0000-0002-9553-9476 and Geyer, Hans (2021). Sports drug testing and the athletes' exposome. Drug Test. Anal., 13 (11-12). S. 1814 - 1822. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Kuuranne, Tiia and Geyer, Hans (2020). Annual banned-substance review - Analytical approaches in human sports drug testing. Drug Test. Anal., 12 (1). S. 7 - 27. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Kuuranne, Tiia and Geyer, Hans (2023). Annual banned-substance review-Analytical approaches in human sports drug testing 2021/2022-. Drug Test. Anal., 15 (1). S. 5 - 27. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Kuuranne, Tiia and Geyer, Hans (2019). Annual banned-substance review: Analytical approaches in human sports drug testing. Drug Test. Anal., 11 (1). S. 8 - 27. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Kuuranne, Tiia and Geyer, Hans (2018). Annual banned-substance review: Analytical approaches in human sports drug testing. Drug Test. Anal., 10 (1). S. 9 - 28. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Kuuranne, Tiia and Geyer, Hans . Annual banned-substance review: Analytical approaches in human sports drug testing 2019/2020. Drug Test. Anal.. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Kuuranne, Tiia and Geyer, Hans (2022). Annual banned-substance review: Analytical approaches in human sports drug testing 2020/2021. Drug Test. Anal., 14 (1). S. 7 - 31. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Kuuranne, Tiia, Geyer, Hans and Schaenzer, Wilhelm (2017). Annual banned-substance review: analytical approaches in human sports drug testing. Drug Test. Anal., 9 (1). S. 6 - 30. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Kuuranne, Tiia, Geyer, Hans and Schaenzer, Wilhelm (2015). Annual banned-substance review: analytical approaches in human sports drug testing. Drug Test. Anal., 7 (1). S. 1 - 21. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Kuuranne, Tiia, Geyer, Hans and Schaenzer, Wilhelm (2014). Annual banned-substance review: analytical approaches in human sports drug testing. Drug Test. Anal., 6 (1-2). S. 164 - 185. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Kuuranne, Tiia, Thomas, Andreas and Geyer, Hans (2021). Do dried blood spots have the potential to support result management processes in routine sports drug testing?-Part 2: Proactive sampling for follow-up investigations concerning atypical or adverse analytical findings. Drug Test. Anal., 13 (3). S. 505 - 510. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Kuuranne, Tiia, Walpurgis, Katja, Geyer, Hans and Schaenzer, Wilhelm (2016). Annual banned-substance review: analytical approaches in human sports drug testing. Drug Test. Anal., 8 (1). S. 7 - 30. HOBOKEN: WILEY. ISSN 1942-7611

Thevis, Mario, Piper, Thomas ORCID: 0000-0002-7462-6693, Dib, Josef, Lagojda, Andreas, Kuehne, Dirk, Packschies, Lars, Geyer, Hans and Schaenzer, Wilhelm (2017). Mass spectrometric characterization of the selective androgen receptor modulator (SARM) YK-11 for doping control purposes. Rapid Commun. Mass Spectrom., 31 (14). S. 1175 - 1184. HOBOKEN: WILEY. ISSN 1097-0231

Thevis, Mario, Piper, Thomas ORCID: 0000-0002-7462-6693, Geyer, Hans, Schaefer, Maximilian S., Schneemann, Julia, Kienbaum, Peter ORCID: 0000-0002-0655-9177 and Schaenzer, Wilhelm (2015). Urine analysis concerning xenon for doping control purposes. Rapid Commun. Mass Spectrom., 29 (1). S. 61 - 67. HOBOKEN: WILEY-BLACKWELL. ISSN 1097-0231

Thevis, Mario, Piper, Thomas ORCID: 0000-0002-7462-6693, Geyer, Hans, Thomas, Andreas ORCID: 0000-0003-1199-0743, Schaefer, Maximilian S., Kienbaum, Peter ORCID: 0000-0002-0655-9177 and Schaenzer, Wilhelm (2014). Measuring xenon in human plasma and blood by gas chromatography/mass spectrometry. Rapid Commun. Mass Spectrom., 28 (13). S. 1501 - 1507. HOBOKEN: WILEY-BLACKWELL. ISSN 1097-0231

Thevis, Mario, Sigmund, Gerd, Thomas, Andreas ORCID: 0000-0003-1199-0743, Vogel, Matthias, Walpurgis, Katja, Kwiatkowska, Dorota, Geyer, Hans and Schaenzer, Wilhelm (2014). Isotope-dilution mass spectrometric quantification of the prodrug lisdexamfetamine in human urine in doping control analysis. Rapid Commun. Mass Spectrom., 28 (7). S. 781 - 787. HOBOKEN: WILEY-BLACKWELL. ISSN 1097-0231

Thevis, Mario, Thomas, Andreas ORCID: 0000-0003-1199-0743, Geyer, Hans and Schaenzer, Wilhelm (2014). Mass spectrometric characterization of a biotechnologically produced full-length mechano growth factor (MGF) relevant for doping controls. Growth Horm. IGF Res., 24 (6). S. 276 - 281. EDINBURGH: CHURCHILL LIVINGSTONE. ISSN 1532-2238

Thomas, Andreas ORCID: 0000-0003-1199-0743, Geyer, Hans, Guddat, Sven, Schaenzer, Wilhelm and Thevis, Mario (2011). Dried blood spots (DBS) for doping control analysis. Drug Test. Anal., 3 (11-12). S. 806 - 814. HOBOKEN: WILEY-BLACKWELL. ISSN 1942-7611

Tretzel, Laura, Thomas, Andreas ORCID: 0000-0003-1199-0743, Geyer, Hans, Delahaut, Philippe, Schaenzer, Wilhelm and Thevis, Mario (2015). Determination of Synacthen(A (R)) in dried blood spots for doping control analysis using liquid chromatography tandem mass spectrometry. Anal. Bioanal. Chem., 407 (16). S. 4709 - 4721. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1618-2650

Tretzel, Laura, Thomas, Andreas ORCID: 0000-0003-1199-0743, Geyer, Hans, Gmeiner, Guenter, Forsdahl, Guro, Pop, Valentin, Schaenzer, Wilhelm and Thevis, Mario (2014). Use of dried blood spots in doping control analysis of anabolic steroid esters. J. Pharm. Biomed. Anal., 96. S. 21 - 31. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1873-264X

Tretzel, Laura, Thomas, Andreas ORCID: 0000-0003-1199-0743, Geyer, Hans, Pop, Valentin, Schaenzer, Wilhelm and Thevis, Mario (2015). Dried blood spots (DBS) in doping controls: a complementary matrix for improved in- and out-of-competition sports drug testing strategies. Anal. Methods, 7 (18). S. 7596 - 7606. CAMBRIDGE: ROYAL SOC CHEMISTRY. ISSN 1759-9679

Tretzel, Laura, Thomas, Andreas ORCID: 0000-0003-1199-0743, Piper, Thomas ORCID: 0000-0002-7462-6693, Hedeland, Mikael ORCID: 0000-0001-8962-2815, Geyer, Hans, Schaenzer, Wilhelm and Thevis, Mario (2016). Fully automated determination of nicotine and its major metabolites in whole blood by means of a DBS online-SPE LC-HR-MS/MS approach for sports drug testing. J. Pharm. Biomed. Anal., 123. S. 132 - 141. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1873-264X

Walpurgis, Katja, Kohler, Maxie, Thomas, Andreas ORCID: 0000-0003-1199-0743, Wenzel, Folker, Geyer, Hans, Schaenzer, Wilhelm and Thevis, Mario (2012). Storage-induced changes of the cytosolic red blood cell proteome analyzed by 2D DIGE and high-resolution/high-accuracy MS. Proteomics, 12 (21). S. 3263 - 3273. HOBOKEN: WILEY. ISSN 1615-9861

Walpurgis, Katja, Slijepcevic, Mirjana, Wenzel, Folker, Thomas, Andreas ORCID: 0000-0003-1199-0743, Geyer, Hans, Franz, Stefan, Schaenzer, Wilhelm and Thevis, Mario (2012). Influence of repeated subcutaneous G-CSF injections on selected blood parameters relevant for monitoring programmes in sports drug testing. Drug Test. Anal., 4 (10). S. 798 - 803. HOBOKEN: WILEY-BLACKWELL. ISSN 1942-7603

Walpurgis, Katja, Thomas, Andreas, Geyer, Hans, Mareck, Ute and Thevis, Mario (2020). Dietary Supplement and Food Contaminations and Their Implications for Doping Controls. Foods, 9 (8). BASEL: MDPI. ISSN 2304-8158

Walpurgis, Katja, Thomas, Andreas ORCID: 0000-0003-1199-0743, Lange, Tobias, Reichel, Christian, Geyer, Hans and Thevis, Mario (2018). Combined detection of the ActRII-Fc fusion proteins Sotatercept (ActRIIA-Fc) and Luspatercept (modified ActRIIB-Fc) in serum by means of immunoaffinity purification, tryptic digestion, and LC-MS/MS. Drug Test. Anal., 10 (11-12). S. 1714 - 1722. HOBOKEN: WILEY. ISSN 1942-7611

Walpurgis, Katja, Thomas, Andreas ORCID: 0000-0003-1199-0743, Vogel, Matthias, Reichel, Christian, Geyer, Hans, Schaenzer, Wilhelm and Thevis, Mario (2016). Testing for the erythropoiesis-stimulating agent Sotatercept/ACE-011 (ActRIIA-Fc) in serum by means of Western blotting and LC-HRMS. Drug Test. Anal., 8 (11-12). S. 1152 - 1162. HOBOKEN: WILEY-BLACKWELL. ISSN 1942-7611