TY  - RPRT
TI  - Pseudosarcomatous changes in antrochoanal polyps.
AU  - C J Smith
AU  - R Echevarria
AU  - C A McLelland
PY  - 1974
DO  - 10.1001/archotol.1974.00780030236016
UR  - https://pubmed.ncbi.nlm.nih.gov/4853935/
ID  - 4853935
ER  -