[PE31] Poster Session 31
Rhinosinusitis

[PE31-20] Powder hydroxypropylmethylcellulose as add-on to nasal steroid improves the outcomes of nasal polyps conservative treatment

Todor A Popov¹, Tania Z Kralimarkova², Diana Hristova², Tihomir B Mustakov², George Christoff² (1.Department of Occupational Disease, University Hospital St. Ivan Rilski, Bulgaria, 2.Medical University Sofia, Bulgaria)