title: Techniques for outcomes research in chronic sinusitis.
authors.forename: Richard E
authors.initials: RE
authors.lastname: Gliklich
authors.forename: Ralph
authors.initials: R
authors.lastname: Metson
mesh_terms: D002908:Chronic Disease; D049673:History, 20th Century; D006801:Humans; D017063:Outcome Assessment, Health Care / Q000266:history*; D012852:Sinusitis / Q000266:history*