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Peace KA, Lee JC, Healy J.Peace KA, et al. Among authors: healy j.Clin Radiol. 2006 Jul;61(7):570-8. doi: 10.1016/j.crad.2006.02.005.Clin Radiol. 2006.PMID: 16784942Review.
Barker RP, Lee JC, Healy JC.Barker RP, et al. Among authors: healy jc.AJR Am J Roentgenol. 2009 Jan;192(1):73-9. doi: 10.2214/AJR.07.3743.AJR Am J Roentgenol. 2009.PMID: 19098182Review.