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Poston L, Hilton PJ.Poston L, et al. Among authors: hilton pj.Br Med J (Clin Res Ed). 1986 Oct 18;293(6553):1029. doi: 10.1136/bmj.293.6553.1029.Br Med J (Clin Res Ed). 1986.PMID: 2429722Free PMC article.No abstract available.