title: Oral contraception and the detection of carriers in haemophilia B.
mesh_terms: D000328:Adult; D000367:Age Factors; D003276:Contraceptives, Oral / Q000494:pharmacology*; D004967:Estrogens; D005164:Factor IX / Q000032:analysis / Q000276:immunology; D005260:Female; D006580:Genetic Carrier Screening; D002836:Hemophilia B / Q000097:blood / Q000175:diagnosis / Q000235:genetics*; D006801:Humans
chemical_list: D003276:Contraceptives, Oral; D004967:Estrogens; D005164:Factor IX