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10.1016/S0016-5107(89)72744-9
Cohen, Michael E., Barkin, Jamie S.Volume:
35
Language:
english
Journal:
Gastrointestinal Endoscopy
DOI:
10.1016/S0016-5107(89)72744-9
Date:
March, 1989
File:
PDF, 2.00 MB
english, 1989