| Literature DB >> 9007433 |
R Schoefl1, M Haefner, S Pongratz, F Pfeffel, C Stain, R Poetzi, A Gangl.
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Year: 1996 PMID: 9007433 DOI: 10.1055/s-2007-1005604
Source DB: PubMed Journal: Endoscopy ISSN: 0013-726X Impact factor: 10.093