| Literature DB >> 1140530 |
N Ahmed, R S Nelson, H M Goldstein, J G Sinkovics.
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Year: 1975 PMID: 1140530 DOI: 10.1016/s0016-5107(75)73833-6
Source DB: PubMed Journal: Gastrointest Endosc ISSN: 0016-5107 Impact factor: 9.427