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Draper ES, Manktelow B, Field DJ, James D.Draper ES, et al.BMJ. 1999 Oct 23;319(7217):1093-7. doi: 10.1136/bmj.319.7217.1093.BMJ. 1999.PMID: 10531097Free PMC article.
Field D, Draper ES, Gompels MJ, Green C, Johnson A, Shortland D, Blair M, Manktelow B, Lamming CR, Law C.Field D, et al. Among authors: draper es.BMJ. 2001 Dec 1;323(7324):1276-81. doi: 10.1136/bmj.323.7324.1276.BMJ. 2001.PMID: 11731389Free PMC article.Clinical Trial.