The pill: safe sex and Crohn's disease?
Whipps Cross Hospital, Whipps Cross Road Leytonstone, London E11 1NR, UK.
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Alstead
D003277:Contraceptives, Oral, Combined / Q000009:adverse effects*; D003424:Crohn Disease / Q000139:chemically induced*; D005260:Female; D006801:Humans; D012307:Risk Factors; D012725:Sexual Behavior
D003277:Contraceptives, Oral, Combined