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10.1016/S0016-5107(89)72940-0
Cohen, Michael E., Barkin, Jamie S.Volume:
35
Language:
english
Journal:
Gastrointestinal Endoscopy
DOI:
10.1016/S0016-5107(89)72940-0
Date:
November, 1989
File:
PDF, 1.12 MB
english, 1989