Ethics Committee Approval for German Clinical Trials
LANCET 1995 March 4; 345(8949): 577
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Yank, Veronica; Rennie, Drummond (2002-06-05)CONTEXT: To determine whether journals have improved their disclosure of ethical protections in clinical trials. METHODS: Comparison of clinical trials published before and after 1997 (July 1995 to December 1996 and January ...