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10.1016/S0016-5107(76)73747-7
Worth Boyce, H.Volume:
22
Language:
english
Journal:
Gastrointestinal Endoscopy
DOI:
10.1016/S0016-5107(76)73747-7
Date:
February, 1976
File:
PDF, 1.57 MB
english, 1976