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Metcalfe C, Martin RM, Noble S, Lane JA, Hamdy FC, Neal DE, Donovan JL.Metcalfe C, et al. Among authors: donovan jl.J Med Ethics. 2008 Jan;34(1):37-40. doi: 10.1136/jme.2006.019661.J Med Ethics. 2008.PMID: 18156520Free PMC article.