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Finn A, Speidel BD.Finn A, et al. Among authors: speidel bd.Br Med J (Clin Res Ed). 1988 Jan 30;296(6618):343-4. doi: 10.1136/bmj.296.6618.343.Br Med J (Clin Res Ed). 1988.PMID: 3125887Free PMC article.