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Lewis S, O'Callaghan CL, Toghill PJ.Lewis S, et al.Br Med J (Clin Res Ed). 1983 Nov 5;287(6402):1369. doi: 10.1136/bmj.287.6402.1369.Br Med J (Clin Res Ed). 1983.PMID: 6416419Free PMC article.No abstract available.