Repair of chronic central perforations of the tympanic membrane:  by repeated acid cautery; by skin grafting.
D002425:Cautery; D006801:Humans; D012867:Skin; D016038:Skin Transplantation; D014238:Trichloroacetic Acid; D014432:Tympanic Membrane; D018058:Tympanic Membrane Perforation; D014945:Wound Healing
D014238:Trichloroacetic Acid
CAUTERY; SKIN TRANSPLANTATION; TRICHLORACETIC ACID; TYMPANIC MEMBRANE/perforation