TY  - RPRT
TI  - Surfactant in middle ear effusions.
AU  - A Grace
AU  - P Kwok
AU  - M Hawke
PY  - 1987
DO  - 10.1177/019459988709600406
UR  - https://pubmed.ncbi.nlm.nih.gov/3108821/
ID  - 3108821
ER  -