TY  - RPRT
TI  - A practical classification of otitis media subgroups.
AU  - Richard M Rosenfeld
PY  - 2005
DO  - 10.1016/j.ijporl.2005.05.007
UR  - https://pubmed.ncbi.nlm.nih.gov/15979734/
ID  - 15979734
ER  -