TY - GEN AU - Jackson,R AU - Hickling,D AU - Assendorp,R AU - Elstein,M TI - Present status of contraceptive vaginal rings SN - 0267-4874 PY - 1991///0104 KW - Contraceptive Agents, Female KW - administration & dosage KW - Drug Implants KW - Estrogens KW - Female KW - Humans KW - Progesterone KW - Uterine Hemorrhage KW - chemically induced N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.1007/BF01849491 ER -