title: Letter: Clonidine in treatment of dysmenorrhea.
mesh_terms: D003000:Clonidine / Q000627:therapeutic use*; D004412:Dysmenorrhea / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008881:Migraine Disorders; D014599:Uterus / Q000098:blood supply
chemical_list: D003000:Clonidine