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Ward SM, Baker SA, de Faoite A, Sanders KM.Ward SM, et al.J Physiol. 2003 May 15;549(Pt 1):207-18. doi: 10.1113/jphysiol.2003.040097. Epub 2003 Mar 28.J Physiol. 2003.PMID: 12665604Free PMC article.