TY  - RPRT
TI  - Endoscope-assisted second-stage tympanomastoidectomy.
AU  - T F Youssef
AU  - D S Poe
PY  - 1997
DO  - 10.1097/00005537-199710000-00009
UR  - https://pubmed.ncbi.nlm.nih.gov/9331310/
ID  - 9331310
ER  -