RT Journal Article SR Electronic T1 THE EFFECT OF OPERATIVE ALTERATIONS IN THE HEIGHT OF THE EXTERNAL RECTUS INSERTION JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 88 OP 92 DO 10.1136/bjo.30.2.88 VO 30 IS 2 A1 Foster, John A1 Pemberton, E. C. YR 1946 UL http://bjo.bmj.com/content/30/2/88.abstract AB