[PROLONGED POSTOPERATIVE ANAL ANALGESIA].
D001003:Anal Canal; D000698:Analgesia; D000777:Anesthetics; D000779:Anesthetics, Local; D006801:Humans; D007410:Intestinal Diseases; D013514:Surgical Procedures, Operative
D000777:Anesthetics; D000779:Anesthetics, Local
ANESTHETICS, LOCAL; ANUS; INTESTINAL DISEASES; SURGERY, OPERATIVE
ANALGESIA ANAL PROLONGADA POSTOPERATORIA.