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Bale BF, Doneen AL, Vigerust DJ.Bale BF, et al. Among authors: vigerust dj.Postgrad Med J. 2017 Apr;93(1098):215-220. doi: 10.1136/postgradmedj-2016-134279. Epub 2016 Nov 29.Postgrad Med J. 2017.PMID: 27899684Free PMC article.Review.