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Elvers KT, Wilson VJ, Hammond A, Duncan L, Huntley AL, Hay AD, van der Werf ET.Elvers KT, et al. Among authors: huntley al.BMJ Open. 2020 Sep 21;10(9):e035677. doi: 10.1136/bmjopen-2019-035677.BMJ Open. 2020.PMID: 32958481Free PMC article.
Huntley AL, Potter L, Williamson E, Malpass A, Szilassy E, Feder G.Huntley AL, et al.BMJ Open. 2019 Jun 11;9(6):e021960. doi: 10.1136/bmjopen-2018-021960.BMJ Open. 2019.PMID: 31186243Free PMC article.