title: The take-home message.
authors.forename: Paul B
authors.initials: PB
authors.lastname: Freeman
mesh_terms: D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D018450:Disease Progression; D006801:Humans; D006967:Hypersensitivity / Q000150:complications / Q000175:diagnosis; D009181:Mycoses; D009408:Nerve Compression Syndromes / Q000150:complications / Q000175:diagnosis / Q000209:etiology / Q000601:surgery; D009900:Optic Nerve; D012017:Referral and Consultation; D012852:Sinusitis / Q000150:complications / Q000276:immunology / Q000382:microbiology; D013997:Time Factors; D014786:Vision Disorders / Q000209:etiology / Q000503:physiopathology / Q000628:therapy*