10.1016/S0016-5107(75)73699-4
Anselm, KlausVolume:
22
Language:
english
Journal:
Gastrointestinal Endoscopy
DOI:
10.1016/S0016-5107(75)73699-4
Date:
August, 1975
File:
PDF, 937 KB
english, 1975