| Literature DB >> 4758975 |
R Clark, V Borirakchanyavat, B G Gazzard, M O Rake, K B Shilkin, P T Flute, R Williams.
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Year: 1973 PMID: 4758975
Source DB: PubMed Journal: Gastroenterology ISSN: 0016-5085 Impact factor: 22.682