Oral contraceptive use and cigarette smoking in Crohn's disease
Bettina Katschinski, Dagmar Fingerle, Bernward Scherbaum, Harald GoebellVolume:
38
Language:
english
Pages:
5
DOI:
10.1007/bf01303165
Date:
September, 1993
File:
PDF, 438 KB
english, 1993