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Controlled clinical trial of barium sulfate suspensions for upper gastrointestinal x-ray examinations
J. Bircher, J. Bourquin, W. Wirth, Th. MarthalerVolume:
4
Language:
english
Pages:
8
DOI:
10.1007/bf00568897
Date:
December, 1971
File:
PDF, 1.05 MB
english, 1971