More Groups
Fewer Groups
Begg, C. B. Annals of Internal Medicine (2010)
Panageas, K. S.; Schrag, D.; Riedel, E.; Bach, P. B.; Begg, C. B. Annals of Internal Medicine (2003)
Asilomar Working Group on Recommendations for Reporting of Clinical Trials in the Biomedical Literature Annals of Internal Medicine (1996)
Working Group for Reporting of Clinical Trials in the Biomedical Literature Annals of Internal Medicine (1994)