TY - GEN AU - Hauser,R TI - [Gaping eustachian tube and epitympanic retraction pockets] SN - 0017-6192 PY - 1999///0311 KW - Cholesteatoma, Middle Ear KW - physiopathology KW - Ear, Middle KW - Eustachian Tube KW - Humans KW - Pressure N1 - Publication Type: Comment; Journal Article UR - https://doi.org/10.1007/s001060050332 ER -