| Literature DB >> 2689302 |
E O Riecken1, A Stallmach, M Zeitz, J D Schulzke, H Menge, M Gregor.
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Year: 1989 PMID: 2689302 PMCID: PMC1434331 DOI: 10.1136/gut.30.11.1630
Source DB: PubMed Journal: Gut ISSN: 0017-5749 Impact factor: 23.059