title: Postaural versus endaural exposure in tympanoplasty.
mesh_terms: D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D004424:Ear Canal / Q000601:surgery; D004432:Ear, Middle / Q000601:surgery; D004837:Epinephrine / Q000627:therapeutic use; D006470:Hemorrhage / Q000517:prevention & control; D006801:Humans; D008012:Lidocaine / Q000627:therapeutic use; D008416:Mastoid / Q000601:surgery; D010027:Osteotomy; D010521:Periosteum / Q000601:surgery; D013525:Surgical Instruments; D014433:Tympanoplasty / Q000009:adverse effects; D014945:Wound Healing
chemical_list: D000900:Anti-Bacterial Agents; D008012:Lidocaine; D004837:Epinephrine