Anaesthesia of tympanic membrane with lidocaine.
D000772:Anesthesia, Local; D006801:Humans; D007478:Iontophoresis; D008012:Lidocaine / Q000008:administration & dosage*; D010033:Otitis Media / Q000601:surgery*; D014432:Tympanic Membrane / Q000601:surgery*
D008012:Lidocaine