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Bösner S, Roth LM, Duncan GF, Donner-Banzhoff N.Bösner S, et al. Among authors: duncan gf.Postgrad Med J. 2017 Jan;93(1095):3-7. doi: 10.1136/postgradmedj-2015-133420. Epub 2016 Jun 9.Postgrad Med J. 2017.PMID: 27287022