RT Journal Article SR Electronic T1 Vitreous Surgery JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 801 OP 802 DO 10.1136/bjo.65.11.801-b VO 65 IS 11 A1 David Mcleod YR 1981 UL http://bjo.bmj.com/content/65/11/801.3.abstract AB