RT Journal Article SR Electronic T1 Glaucoma drainage devices; past, present, and future JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 1083 OP 1089 DO 10.1136/bjo.82.9.1083 VO 82 IS 9 A1 K S Lim A1 B D S Allan A1 A W Lloyd A1 A Muir A1 P T Khaw A1 K S LIM A1 B D S ALLAN A1 A W LLOYD A1 A MUIR A1 P T KHAW YR 1998 UL http://bjo.bmj.com/content/82/9/1083.abstract AB