Contraception options shrinking -- US expert.
Mulley
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D001695:Biology; D003267:Contraception; D004467:Economics; D004703:Endocrine System; D005193:Family Planning Services; D006728:Hormones; D007267:Injections; D007434:Intrauterine Devices; D010827:Physiology; D012106:Research; D013672:Technology
D006728:Hormones
Barrier Methods; Biology; Contraception; Contraception Research; Contraceptive Methods; Economic Factors; Endocrine System; Family Planning; Hormones; Injectables; Iud; Male Contraception; Physiology; Research And Development; Technology