title: Report on 500 mastoidectomies with local penicillin therapy.
authors.forename: E
authors.initials: E
authors.lastname: GYORGY
mesh_terms: D008416:Mastoid / Q000601:surgery*; D019637:Orthopedic Procedures; D010406:Penicillins / Q000628:therapy*
chemical_list: D010406:Penicillins
keywords: MASTOID/surgery; PENICILLIN/therapy