| Literature DB >> 4540828 |
C Sugawa, C E Lucas, B F Rosenberg, J M Riddle, A J Walt.
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Year: 1973 PMID: 4540828 DOI: 10.1016/s0016-5107(73)73979-1
Source DB: PubMed Journal: Gastrointest Endosc ISSN: 0016-5107 Impact factor: 9.427