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Karampinis I, Lion E, Hetjens S, Vassilev G, Galata C, Reissfelder C, Otto M.Karampinis I, et al. Among authors: otto m.Obes Surg. 2020 May;30(5):1820-1826. doi: 10.1007/s11695-020-04400-y.Obes Surg. 2020.PMID: 31950317Free PMC article.
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Hedderich DM, Hasenberg T, Haneder S, Schoenberg SO, Kücükoglu Ö, Canbay A, Otto M.Hedderich DM, et al. Among authors: otto m.Obes Surg. 2017 Jul;27(7):1755-1762. doi: 10.1007/s11695-016-2531-3.Obes Surg. 2017.PMID: 28064372
Karampinis I, Lion E, Grilli M, Hetjens S, Weiss C, Vassilev G, Seyfried S, Otto M.Karampinis I, et al. Among authors: otto m.Obes Surg. 2019 Mar;29(3):1049-1057. doi: 10.1007/s11695-018-03687-2.Obes Surg. 2019.PMID: 30659465