[The development of GS-I type contraception flower].
D055598:Chemical Phenomena; D002621:Chemistry; D003267:Contraception; D004467:Economics; D004864:Equipment and Supplies; D005193:Family Planning Services; D007287:Inorganic Chemicals; D007434:Intrauterine Devices; D012106:Research; D012825:Silicon; D012828:Silicones; D013672:Technology
D007287:Inorganic Chemicals; D012828:Silicones; D012825:Silicon
Contraception; Contraceptive Methods; Economic Factors; Equipment And Supplies; Family Planning; Ingredients And Chemicals; Inorganic Chemicals; Iud; Iud, Unmedicated; Research And Development; Silicon; Silicone; Technology