RT Journal Article SR Electronic T1 ECHOGRAM IN MELANOMA OF THE CHOROID JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 408 OP 414 DO 10.1136/bjo.43.7.408 VO 43 IS 7 A1 Arvo Oksala YR 1959 UL http://bjo.bmj.com/content/43/7/408.abstract AB