Analgesia following anorectal surgery using an oil-soluble anesthetic.
D001003:Anal Canal / Q000601:surgery*; D000698:Analgesia; D000758:Anesthesia; D000765:Anesthesia, Conduction; D000777:Anesthetics; D013505:Digestive System Surgical Procedures; D006801:Humans
D000777:Anesthetics
ANESTHESIA, REGIONAL; ANUS/surgery