Epidemiology supports oral contraceptives as a risk factor in Crohn's disease.
Alic
M
M
D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003424:Crohn Disease / Q000139:chemically induced*; D005260:Female; D006801:Humans; D015994:Incidence; D012307:Risk Factors
D003276:Contraceptives, Oral