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Maguire GP, Julier DL, Hawton KE, Bancroft JH.Maguire GP, et al. Among authors: bancroft jh.Br Med J. 1974 Feb 16;1(5902):268-70. doi: 10.1136/bmj.1.5902.268.Br Med J. 1974.PMID: 4818184Free PMC article.