[Effects of ovulatory block on essential dysmenorrhea].
D003276:Contraceptives, Oral / Q000627:therapeutic use*; D004412:Dysmenorrhea / Q000188:drug therapy*; D004997:Ethinyl Estradiol / Q000627:therapeutic use*; D005260:Female; D006801:Humans
D003276:Contraceptives, Oral; D004997:Ethinyl Estradiol
Effetti del blocco ovulatorio sulla dismenorrea essenziale.