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Buchanan JA, Zakrzewska JM.Buchanan JA, et al. Among authors: zakrzewska jm.Postgrad Med J. 1999 Mar;75(881):177-9. doi: 10.1136/pgmj.75.881.177.Postgrad Med J. 1999.PMID: 10448503Free PMC article.No abstract available.