INTRAUTERINE CONTRACEPTION IN THE NATIONAL HEALTH SERVICE.
D003267:Contraception; D003273:Contraceptive Devices; D004739:England; D005260:Female; D006801:Humans; D008599:Menstruation Disturbances; D009313:National Health Programs; D013223:Statistics as Topic
CONTRACEPTIVE DEVICES; ENGLAND; MENSTRUATION DISORDERS; STATISTICS