title: Differential diagnosis of persistent nonallergic rhinitis and rhinosinusitis syndromes.
authors.affiliation: Allergology and Clinical Immunology, Clinic of Asthma, Medical University of Sofia, University Hospital Alexandrovska, Sofia, Bulgaria.
authors.forename: Maria T
authors.initials: MT
authors.lastname: Staevska
authors.forename: James N
authors.initials: JN
authors.lastname: Baraniuk
mesh_terms: D002559:Cerebrospinal Fluid Rhinorrhea / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D009300:Nasal Septum / Q000002:abnormalities; D012220:Rhinitis / Q000139:chemically induced / Q000175:diagnosis* / Q000209:etiology; D012852:Sinusitis / Q000175:diagnosis* / Q000209:etiology; D018089:Superantigens / Q000276:immunology; D013577:Syndrome; D018418:Th2 Cells / Q000276:immunology
chemical_list: D018089:Superantigens