title: Improved local anesthesia in anorectal surgery.
mesh_terms: D000759:Adjuvants, Anesthesia / Q000008:administration & dosage; D000553:Ambulatory Care; D001003:Anal Canal / Q000601:surgery*; D000772:Anesthesia, Local; D004837:Epinephrine / Q000008:administration & dosage; D006801:Humans; D006821:Hyaluronoglucosaminidase / Q000008:administration & dosage; D008012:Lidocaine; D013511:Minor Surgical Procedures; D012007:Rectum / Q000601:surgery*
chemical_list: D000759:Adjuvants, Anesthesia; D008012:Lidocaine; D006821:Hyaluronoglucosaminidase; D004837:Epinephrine