| Literature DB >> 5087073 |
R P Thompson, R Clark, R A Willson, V Borirakchanyavat, B Widdop, R Goulding, R Williams.
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Year: 1972 PMID: 5087073 PMCID: PMC1412477
Source DB: PubMed Journal: Gut ISSN: 0017-5749 Impact factor: 23.059