| Literature DB >> 10490368 |
W M Porter, D J Unsworth, R J Lock, C M Hardman, B S Baker, L Fry.
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Year: 1999 PMID: 10490368 DOI: 10.1016/s0016-5085(99)70482-8
Source DB: PubMed Journal: Gastroenterology ISSN: 0016-5085 Impact factor: 22.682