RT Journal Article SR Electronic T1 Retinal vascular changes in untreated retinoblastoma. Resemblance to von Hippel-Lindau disease. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 382 OP 387 DO 10.1136/bjo.53.6.382 VO 53 IS 6 A1 M A Bedford A1 P A Macfaul YR 1969 UL http://bjo.bmj.com/content/53/6/382.abstract AB