RT Journal Article SR Electronic T1 Extra-Conjunctival Implant JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 378 OP 379 DO 10.1136/bjo.38.6.378 VO 38 IS 6 A1 M. L. Nairac YR 1954 UL http://bjo.bmj.com/content/38/6/378.abstract AB