["Sequential" treatment with estrogens and progestanes in the control of human fertility. Clinical experience of 3 years in 1250 women].
D000293:Adolescent; D000328:Adult; D003276:Contraceptives, Oral; D005260:Female; D006801:Humans
D003276:Contraceptives, Oral
Tratamiento "secuencial" con estrogenos y progestagenos en el control de la fertilidad humana.