The problem of permeability and anesthesia of the tympanic membrane.
D000758:Anesthesia; D000772:Anesthesia, Local; D000776:Anesthesiology; D006801:Humans; D010539:Permeability; D014432:Tympanic Membrane / Q000502:physiology*
ANESTHESIA, LOCAL/effects; TYMPANIC MEMBRANE/physiology