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Schandl A, Johar A, Lagergren J, Lagergren P.Schandl A, et al. Among authors: johar a.BMJ Open. 2016 Aug 26;6(8):e012624. doi: 10.1136/bmjopen-2016-012624.BMJ Open. 2016.PMID: 27566643Free PMC article.
Liu YJ, Schandl A, Markar S, Johar A, Lagergren P.Liu YJ, et al. Among authors: johar a.BJS Open. 2021 Jan 8;5(1):zraa038. doi: 10.1093/bjsopen/zraa038.BJS Open. 2021.PMID: 33609371Free PMC article.