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Halperin M, Lan KK, Ware JH, Johnson NJ, DeMets DL.Halperin M, et al. Among authors: demets dl.Control Clin Trials. 1982 Dec;3(4):311-23. doi: 10.1016/0197-2456(82)90022-8.Control Clin Trials. 1982.PMID: 7160189No abstract available.
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