| Literature DB >> 5581332 |
F Schaffner, P G Bacchin, F Hutterer, H H Scharnbeck, L L Sarkozi, H Denk, H Popper.
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Year: 1971 PMID: 5581332
Source DB: PubMed Journal: Gastroenterology ISSN: 0016-5085 Impact factor: 22.682