RT Journal Article SR Electronic T1 Plasmocytoma of the Orbit JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 681 OP 685 DO 10.1136/bjo.40.11.681 VO 40 IS 11 A1 Cogan, John F. YR 1956 UL http://bjo.bmj.com/content/40/11/681.abstract AB