Myringotomy without bleeding.
D000287:Administration, Topical / Q000295:instrumentation; D006470:Hemorrhage / Q000517:prevention & control*; D006801:Humans; D010036:Otolaryngology / Q000295:instrumentation*; D010636:Phenols / Q000627:therapeutic use*; D010656:Phenylephrine / Q000627:therapeutic use*; D014432:Tympanic Membrane / Q000601:surgery*
D010636:Phenols; D010656:Phenylephrine