TY  - RPRT
TI  - Measurement of eustachian tube function using sonotubometry.
AU  - J Holmquist
AU  - G Björkman
AU  - L Olén
PY  - 1981
DO  - 10.3109/01050398109076159
UR  - https://pubmed.ncbi.nlm.nih.gov/7209371/
ID  - 7209371
ER  -