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Fitchet A, Fitzpatrick AP.Fitchet A, et al.BMJ. 1998 Feb 21;316(7131):604-6. doi: 10.1136/bmj.316.7131.604.BMJ. 1998.PMID: 9518916Free PMC article.Review.No abstract available.
Fitchet A, Neal R, Bannister P.Fitchet A, et al.BMJ. 2001 Feb 24;322(7284):480-1. doi: 10.1136/bmj.322.7284.480.BMJ. 2001.PMID: 11222427Free PMC article.No abstract available.