title: Grading diabetic retinopathy (DR) using the Scottish grading protocol.
authors.affiliation: Associate Specialist: Diabetic Retinopathy Screening Service, Glasgow, Scotland.
authors.forename: Sonia
authors.initials: S
authors.lastname: Zachariah
authors.affiliation: Consultant Ophthalmologist and Clinical Director: Diabetic Retinopathy Screening Service, Glasgow, Scotland.
authors.forename: William
authors.initials: W
authors.lastname: Wykes
authors.affiliation: Consultant Ophthalmologist: Tennent Institute of Ophthalmology, Gartnavel Hospital, Glasgow, UK.
authors.forename: David
authors.initials: D
authors.lastname: Yorston