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Doughty JC, Anderson JH, Willmott N, McArdle CS.Doughty JC, et al. Among authors: mcardle cs.Postgrad Med J. 1995 Jan;71(831):47-9. doi: 10.1136/pgmj.71.831.47.Postgrad Med J. 1995.PMID: 7708595Free PMC article.