Niacin for dysmenorrhea.
D004412:Dysmenorrhea / Q000628:therapy*; D005260:Female; D006801:Humans; D009525:Niacin / Q000627:therapeutic use*; D009539:Nicotinic Acids
D009539:Nicotinic Acids; D009525:Niacin
DYSMENORRHEA/therapy; NICOTINIC ACID/therapeutic use