title: Contraception in women over 40 years of age.
authors: Department of Obstetrics and Gynecology, Warren Alpert Medical School of Brown University, Women and Infants Hospital, Providence, RI, USA. rhallen@wihri
authors: Rebecca H
authors: RH
authors: Allen
authors: Carrie A
authors: CA
authors: Cwiak
authors: Andrew M
authors: AM
authors: Kaunitz
mesh_terms: D000328:Adult; D000367:Age Factors; D003267:Contraception; D003271:Contraceptive Agents, Female; D003273:Contraceptive Devices; D005260:Female; D006801:Humans; D008593:Menopause; D008875:Middle Aged; D012737:Sex Factors
chemical_list: D003271:Contraceptive Agents, Female