title: EDITORIAL.
authors: David W
authors: DW
authors: Kennedy
mesh_terms: D002908:Chronic Disease; D004724:Endoscopy; D019317:Evidence-Based Medicine; D006801:Humans; D007167:Immunotherapy; D010256:Paranasal Sinuses / Q000601:surgery*; D012220:Rhinitis / Q000276:immunology / Q000601:surgery / Q000628:therapy*; D012852:Sinusitis / Q000276:immunology / Q000601:surgery / Q000628:therapy*