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Shehmar M, Haldane T, Price-Forbes A, Macdougall C, Fraser I, Peterson S, Peile E.Shehmar M, et al. Among authors: macdougall c.Med Educ. 2010 Jul;44(7):699-705. doi: 10.1111/j.1365-2923.2010.03685.x.Med Educ. 2010.PMID: 20636589