| Literature DB >> 1248712 |
E A Ayoola, J A Vennes, S E Silvis, C A Rohrmann, H J Ansel.
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Year: 1976 PMID: 1248712 DOI: 10.1016/s0016-5107(76)73732-5
Source DB: PubMed Journal: Gastrointest Endosc ISSN: 0016-5107 Impact factor: 9.427