RT Journal Article SR Electronic T1 Ophthalmic Plastic and Reconstructive Surgery JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 643 OP 643 DO 10.1136/bjo.71.8.643 VO 71 IS 8 A1 J R O Collin YR 1987 UL http://bjo.bmj.com/content/71/8/643.1.abstract AB