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2010
Hasford, J., Bramlage, P., Koch, G., Lehmacher, W., Einhaeupl, K. and Rothwell, P. M. (2010). Inconsistent trial assessments by the National Institute for Health and Clinical Excellence and IQWiG: standards for the performance and interpretation of subgroup analyses are needed. J. Clin. Epidemiol., 63 (12). S. 1298 - 1305. OXFORD: PERGAMON-ELSEVIER SCIENCE LTD. ISSN 0895-4356