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Gloor M, Adler D, Bersch A, Schnyder UW.Gloor M, et al. Among authors: bersch a.Hautarzt. 1983 Apr;34(4):182-4.Hautarzt. 1983.PMID: 6682840German.No abstract available.
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Schöpf E, Wiest L, Bersch A.Schöpf E, et al. Among authors: bersch a.Z Haut Geschlechtskr. 1973 May 1;48(9):361-4.Z Haut Geschlechtskr. 1973.PMID: 4705395German.No abstract available.