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Green EA, Beer RJ, Jenkins DC, McFadzean JA, Pugh IM.Green EA, et al. Among authors: beer rj.Br Med J. 1973 Jul 7;3(5870):48-9. doi: 10.1136/bmj.3.5870.48-b.Br Med J. 1973.PMID: 4717427Free PMC article.No abstract available.