Kovacs, Alexander J What is the evidence for fluticasone exhalation delivery system in chronic rhinosinusitis? [electronic resource] - Current opinion in otolaryngology & head and neck surgery Feb 2020 - 14-17 p. digital Publication Type: Journal Article; Review ISSN: 1531-6998 Standard No.: 10.1097/MOO.0000000000000597 doi Subjects--Topical Terms: Administration, IntranasalChronic DiseaseDrug Delivery SystemsExhalationFluticasone--administration & dosageGlucocorticoids--administration & dosageHumansNasal Polyps--drug therapyRhinitis--drug therapySinusitis--drug therapy