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Laupacis A, Connolly SJ, Gent M, Roberts RS, Cairns J, Joyner C.Laupacis A, et al. Among authors: connolly sj.Ann Intern Med. 1991 Nov 15;115(10):818-22. doi: 10.7326/0003-4819-115-10-818.Ann Intern Med. 1991.PMID: 1834003Clinical Trial.
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