| Literature DB >> 9013174 |
B J Hoffman1, W L Knapple, M S Bhutani, G N Verne, R H Hawes.
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Year: 1997 PMID: 9013174 DOI: 10.1016/s0016-5107(97)70306-7
Source DB: PubMed Journal: Gastrointest Endosc ISSN: 0016-5107 Impact factor: 9.427