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Kvello M, Knatten CK, Perminow G, Skari H, Engebretsen A, Schistad O, Emblem R, Bjørnland K.Kvello M, et al.Endosc Int Open. 2018 Feb;6(2):E179-E185. doi: 10.1055/s-0043-122227. Epub 2018 Feb 1.Endosc Int Open. 2018.PMID: 29399615Free PMC article.
Nordlie H, Lande SA, Ertresvåg KN, Engebretsen AH, Lervik S.Nordlie H, et al. Among authors: engebretsen ah.Tidsskr Nor Laegeforen. 2019 Mar 11;139(5). doi: 10.4045/tidsskr.18.0424. Print 2019 Mar 12.Tidsskr Nor Laegeforen. 2019.PMID: 30872824Free article.English, Norwegian.No abstract available.