RT Journal Article SR Electronic T1 A Statistical Analysis of 3,219 Persons JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 337 OP 379 DO 10.1136/bjo.26.8.337 VO 26 IS 8 A1 Marshall, John A1 Seiler, H. E. YR 1942 UL http://bjo.bmj.com/content/26/8/337.abstract AB