SANTOS, C A [Causes of relapse in surgical intervention on the paranasal sinuses]. [electronic resource] - Revista brasileira de oto-rino-laringologia - 1-8 p. digital Publication Type: Journal Article ISSN: 0034-7299 Subjects--Topical Terms: Chronic DiseaseDiseaseHumansParanasal Sinus DiseasesParanasal SinusesRecurrence