TY - RPRT TI - [Grading system for nasosinusal polyposis treated by functional endoscopic surgery]. AU - E Esteller-More AU - J M Adema-Alcover AU - H Massegur-Solench AU - C Orus-Dotu AU - J M Fabra-Llopis UR - https://pubmed.ncbi.nlm.nih.gov/9044595/ ID - 9044595 ER -