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SHEARMAN BT, CLUBB JS, NEALE FC, POSEN S.SHEARMAN BT, et al. Among authors: clubb js.Br Med J. 1965 Sep 11;2(5462):619-21. doi: 10.1136/bmj.2.5462.619.Br Med J. 1965.PMID: 14331620Free PMC article.No abstract available.