ORAL CONTRACEPTION.
D002140:California; D003267:Contraception; D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D004997:Ethinyl Estradiol; D005193:Family Planning Services; D005260:Female; D006801:Humans; D009641:Norethynodrel; D011647:Puerto Rico; D013223:Statistics as Topic; D014116:Toxicology; D006113:United Kingdom
D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D004997:Ethinyl Estradiol; D009641:Norethynodrel
CALIFORNIA; CONTRACEPTIVES, ORAL; ETHINYL ESTRADIOL; FAMILY PLANNING; GREAT BRITAIN; NORETHYNODREL; PUERTO RICO; STATISTICS; TOXICOLOGIC REPORT