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Billmann F, Billeter A, Thomusch O, Keck T, El Shishtawi S, Langan EA, Strobel O, Müller-Stich BP.Billmann F, et al.Surgery. 2021 Jun;169(6):1361-1370. doi: 10.1016/j.surg.2020.09.005. Epub 2020 Oct 17.Surgery. 2021.PMID: 33077201
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Thomusch O, Sekulla C, Billmann F, Seifert G, Dralle H, Lorenz K; Prospective Evaluation Study of Thyroid Surgery (PETS 2) Study Group.Thomusch O, et al. Among authors: billmann f.Br J Surg. 2018 May;105(6):677-685. doi: 10.1002/bjs.10770. Epub 2018 Mar 26.Br J Surg. 2018.PMID: 29579336