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Pragmatic and mechanistic trials.
Califf RM, Woodlief LH. Califf RM, et al. Eur Heart J. 1997 Mar;18(3):367-70. doi: 10.1093/oxfordjournals.eurheartj.a015256. Eur Heart J. 1997. PMID: 9076373 No abstract available.
Toward protecting the safety of participants in clinical trials.
Califf RM, Morse MA, Wittes J, Goodman SN, Nelson DK, DeMets DL, Iafrate RP, Sugarman J. Califf RM, et al. Control Clin Trials. 2003 Jun;24(3):256-71. doi: 10.1016/s0197-2456(03)00005-9. Control Clin Trials. 2003. PMID: 12757992
1,320 results