title: Three-year follow-up on effects of transdermal estrogen.
authors.forename: E G
authors.initials: EG
authors.lastname: Lufkin
authors.forename: B L
authors.initials: BL
authors.lastname: Riggs
mesh_terms: D000279:Administration, Cutaneous; D015914:Estrogen Replacement Therapy; D004967:Estrogens / Q000008:administration & dosage*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D015663:Osteoporosis, Postmenopausal / Q000188:drug therapy*
chemical_list: D004967:Estrogens