| Literature DB >> 2653970 |
D L Morris1, S A Watson, L G Durrant, J D Harrison.
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Year: 1989 PMID: 2653970 PMCID: PMC1434051 DOI: 10.1136/gut.30.4.425
Source DB: PubMed Journal: Gut ISSN: 0017-5749 Impact factor: 23.059