title: [Use of a calcium antagonist in the management of primary dysmenorrhea].
mesh_terms: D000284:Administration, Oral; D000293:Adolescent; D002648:Child; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004412:Dysmenorrhea / Q000188:drug therapy*; D005260:Female; D006801:Humans; D009543:Nifedipine / Q000008:administration & dosage / Q000627:therapeutic use*; D011446:Prospective Studies; D011897:Random Allocation
chemical_list: D009543:Nifedipine
vernacular_title: Uso de un calcio-antagonista en el manejo de dismenorrea primaria.