S. Snapinn, M. Chen, Q. Jiang, and T. Koutsoukos. Pharmaceutical statistics, 5 (4):
273-81(2006)7401<m:linebreak></m:linebreak>LR: 20071115; JID: 101201192; ppublish;<m:linebreak></m:linebreak>Mesures de contrast; RCT.
K. Taylor, R. Margolese, and C. Soskolne. The New England journal of medicine, 310 (21):
1363-7(May 1984)5954<m:linebreak></m:linebreak>LR: 20071115; JID: 0255562; ppublish;<m:linebreak></m:linebreak>Intervenció/placebo.