TY  - RPRT
TI  - Sinusitis: a critical need for further study.
AU  - H M Druce
AU  - R G Slavin
PY  - 1991
DO  - 10.1016/0091-6749(91)90161-g
UR  - https://pubmed.ncbi.nlm.nih.gov/1918732/
ID  - 1918732
ER  -