title: MASTOIDECTOMY in the antibiotic era.
mesh_terms: D000900:Anti-Bacterial Agents; D006801:Humans; D008416:Mastoid / Q000601:surgery*; D008417:Mastoiditis / Q000628:therapy*; D019637:Orthopedic Procedures; D010406:Penicillins / Q000627:therapeutic use*
chemical_list: D000900:Anti-Bacterial Agents; D010406:Penicillins
keywords: MASTOID/surgery; MASTOIDITIS/therapy; PENICILLIN/therapeutic use