| Literature DB >> 3653653 |
M Schapiro1, S Benjamin, G Blackburn, B Frank, D Heber, R Kozarek, S Randall, W Stern.
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Year: 1987 PMID: 3653653 DOI: 10.1016/s0016-5107(87)71611-3
Source DB: PubMed Journal: Gastrointest Endosc ISSN: 0016-5107 Impact factor: 9.427