RT Journal Article SR Electronic T1 Hereditary Posterior Polar Cataract with Report of a Pedigree JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 374 OP 379 DO 10.1136/bjo.39.6.374 VO 39 IS 6 A1 C. G. Tulloh YR 1955 UL http://bjo.bmj.com/content/39/6/374.abstract AB