| Literature DB >> 19962497 |
John J Vargo1, Lawrence B Cohen, Douglas K Rex, Paul Y Kwo.
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Year: 2009 PMID: 19962497 DOI: 10.1016/j.gie.2009.07.020
Source DB: PubMed Journal: Gastrointest Endosc ISSN: 0016-5107 Impact factor: 9.427