Subgroup analyses in randomised controlled trials: Cohort study on trial protocols and journal publications (BMJ (Online) (2014) 349 (g4539) DOI: 10.1136/bmj.g4539)
Benjamin Kasenda,Stefan Schandelmaier,Xin Sun,Erik von Elm,John J. You,Anette Blümle,Yuki Tomonaga,Ramon Saccilotto,Alain Amstutz,Theresa Bengough,Joerg J. Meerpohl,Mihaela Stegert,Kelechi K Olu,Kari A.O. Tikkinen,Ignacio Neumann,Alonso Carrasco-Labra,Markus Faulhaber,Sohail Mulla,Dominik Mertz,Elie A. Akl,Dirk Bassler,Jason W. Busse,Ignacio Ferreira-González,Francois Lamontagne,Alain Nordmann,Viktoria Gloy,Heike Raatz,Lorenzo Moja,Rachel Rosenthal,Shanil Ebrahim,Per Olav Vandvik,Bradley C. Johnston,Martin A. Walter,Bernard Burnand,Matthias Schwenkglenks,Lars G. Hemkens,Heiner C. Bucher,Gordon H. Guyatt,Matthias Briel BMJ-BRITISH MEDICAL JOURNAL(2014)
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