Progestagen-releasing vaginal rings--an update.
Nuttal
I D
ID
Elstein
M
M
Spencer
B E
BE
D001695:Biology; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003274:Contraceptive Devices, Female; D004467:Economics; D004703:Endocrine System; D005193:Family Planning Services; D006728:Hormones; D016912:Levonorgestrel; D010827:Physiology; D012102:Reproductive Control Agents; D012106:Research; D013672:Technology
D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D006728:Hormones; D012102:Reproductive Control Agents; D016912:Levonorgestrel
Biology; Clinical Research; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Methods; Economic Factors; Endocrine System; Family Planning; Hormones; Levonorgestrel; Physiology; Reproductive Control Agents; Research And Development; Research Methodology; Technology; Vaginal Rings