RT Journal Article SR Electronic T1 Ophthalmoscopic appearances after injury to the circle of Zinn. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 12 OP 18 DO 10.1136/bjo.55.1.12 VO 55 IS 1 A1 Elmassri, A YR 1971 UL http://bjo.bmj.com/content/55/1/12.abstract AB