title: Technical failure in photographic screening for diabetic retinopathy.
authors.forename: Ashish
authors.initials: A
authors.lastname: Agrawal
authors.forename: Martin A
authors.initials: MA
authors.lastname: McKibbin
mesh_terms: D003930:Diabetic Retinopathy / Q000175:diagnosis*; D004739:England; D006801:Humans; D008485:Medical Audit; D010781:Photography / Q000592:standards; D015351:Vision Screening / Q000592:standards*