title: Technique of local anesthesia for anorectal surgery.
authors.forename: S
authors.initials: S
authors.lastname: Nivatvongs
mesh_terms: D001003:Anal Canal / Q000601:surgery*; D000772:Anesthesia, Local / Q000379:methods*; D003107:Colorectal Surgery / Q000379:methods*; D006801:Humans