RT Journal Article SR Electronic T1 New filtering operation for open-angle glaucoma using a rolled corneo-scleral flap. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 418 OP 420 DO 10.1136/bjo.57.6.418 VO 57 IS 6 A1 Z Aviner YR 1973 UL http://bjo.bmj.com/content/57/6/418.abstract AB