TY - GEN AU - Baron,S H TI - Preservation of the cholesteatoma matrix in the modified radical mastoidectomy SN - 0023-852X PY - 1967///0728 KW - Adolescent KW - Cholesteatoma KW - surgery KW - Ear Neoplasms KW - Female KW - Humans KW - Mastoid KW - Tympanoplasty N1 - Publication Type: Journal Article UR - https://doi.org/10.1288/00005537-196706000-00001 ER -