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Planning patient recruitment: fantasy and reality.
Collins JF, Williford WO, Weiss DG, Bingham SF, Klett CJ. Collins JF, et al. Among authors: williford wo. Stat Med. 1984 Oct-Dec;3(4):435-43. doi: 10.1002/sim.4780030425. Stat Med. 1984. PMID: 6396795 No abstract available.
Overview of the DIG trial.
Collins JF, Egan D, Yusuf S, Garg R, Williford WO, Geller N; DIG Investigators. Collins JF, et al. Among authors: williford wo. Control Clin Trials. 2003 Dec;24(6 Suppl):269S-276S. doi: 10.1016/s0197-2456(03)00104-1. Control Clin Trials. 2003. PMID: 14643073
The role of the data coordinating center in the DIG trial.
Williford WO, Collins JF, Horney A, Kirk G, McSherry F, Spence E, Stinnett S, Howell CL, Garg R, Egan D, Yusuf S; DIG Investigators. Williford WO, et al. Control Clin Trials. 2003 Dec;24(6 Suppl):277S-288S. doi: 10.1016/s0197-2456(03)00103-x. Control Clin Trials. 2003. PMID: 14643074
53 results