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McKeown CM, Waters JJ, Stacey M, Newman BF, Cardy DL, Hultén M.McKeown CM, et al. Among authors: waters jj.Lancet. 1992 Aug 22;340(8817):495. doi: 10.1016/0140-6736(92)91823-q.Lancet. 1992.PMID: 1354828No abstract available.