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Appenzeller C, Ammann RA, Duppenthaler A, Gorgievski-Hrisoho M, Aebi C.Appenzeller C, et al. Among authors: aebi c.Swiss Med Wkly. 2002 Jun 29;132(25-26):345-50. doi: 10.4414/smw.2002.10040.Swiss Med Wkly. 2002.PMID: 12422291Free article.