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10.1016/S0016-5107(93)70147-9
Shephard, Harry, Barkin, Jamie S.Volume:
39
Language:
english
Journal:
Gastrointestinal Endoscopy
DOI:
10.1016/S0016-5107(93)70147-9
Date:
January, 1993
File:
PDF, 257 KB
english, 1993