TY  - RPRT
TI  - Nasal endoscopy in chronic maxillary sinusitis.
AU  - R H Kamel
PY  - 1989
DO  - 10.1017/s0022215100108692
UR  - https://pubmed.ncbi.nlm.nih.gov/2703767/
ID  - 2703767
ER  -