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Denzer U, Helmreich-Becker I, Galle PR, Lohse AW.Denzer U, et al. Among authors: galle pr.Z Gastroenterol. 2001 Jan;39(1 Suppl):11-4.Z Gastroenterol. 2001.PMID: 11216429German.
Kiesslich R, Jung M, Galle PR, Neurath MF.Kiesslich R, et al. Among authors: galle pr.Dtsch Med Wochenschr. 2003 Jun 13;128 Suppl 2:S139-41. doi: 10.1055/s-2003-40139.Dtsch Med Wochenschr. 2003.PMID: 12817350Review.German.No abstract available.