title: Differential diagnosis of perennial rhinitis.
authors.affiliation: Dept. of O.R.L., University of Edinburgh, Scotland, United Kingdom.
authors.forename: A G
authors.initials: AG
authors.lastname: Maran
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D012221:Rhinitis, Allergic, Perennial / Q000175:diagnosis* / Q000209:etiology