RT Journal Article SR Electronic T1 LARGACTIL JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 317 OP 317 DO 10.1136/bjo.39.5.317 VO 39 IS 5 A1 B. W. Rycroft A1 G. J. Romanes YR 1955 UL http://bjo.bmj.com/content/39/5/317.1.abstract AB