Anesthetics; problems and complications in anorectal surgery.
D001003:Anal Canal / Q000601:surgery*; D000758:Anesthesia; D000777:Anesthetics; D013505:Digestive System Surgical Procedures; D007420:Intestine, Large; D012007:Rectum / Q000601:surgery*
D000777:Anesthetics
ANESTHESIA; ANUS/surgery; RECTUM/surgery