S. Snapinn, M. Chen, Q. Jiang, и 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.
F. Kianifard, и M. Islam. Pharmaceutical statistics, 10 (4):
363-8(2011)6089<m:linebreak></m:linebreak>JID: 101201192; aheadofprint;<m:linebreak></m:linebreak>Disseny; Estudi pilot; Estudi petit.