[Antihistaminics in ano-rectal surgery].
D001004:Anus Diseases / Q000601:surgery*; D004155:Diphenhydramine / Q000627:therapeutic use*; D006801:Humans; D012002:Rectal Diseases / Q000601:surgery*
D004155:Diphenhydramine
Antihistaminicos en cirugia anorrectal.