title: Present status of contraceptive vaginal rings.
authors: Department of Obstetrics and Gynaecology, Wythenshawe Hospital, Manchester.
authors: R
authors: R
authors: Jackson
authors: D
authors: D
authors: Hickling
authors: R
authors: R
authors: Assendorp
authors: M
authors: M
authors: Elstein
mesh_terms: D003271:Contraceptive Agents, Female / Q000008:administration & dosage* / Q000009:adverse effects; D004343:Drug Implants; D004967:Estrogens / Q000008:administration & dosage* / Q000009:adverse effects; D005260:Female; D006801:Humans; D011374:Progesterone / Q000008:administration & dosage* / Q000009:adverse effects; D014592:Uterine Hemorrhage / Q000139:chemically induced
chemical_list: D003271:Contraceptive Agents, Female; D004343:Drug Implants; D004967:Estrogens; D011374:Progesterone