RT Journal Article SR Electronic T1 Orbital pseudotumour in the differential diagnosis of eyelid swelling. JF Journal of Accident & Emergency Medicine JO Arch Emerg Med FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 62 OP 62 DO 10.1136/emj.15.1.62 VO 15 IS 1 A1 M Ramchandani A1 G Nahhas YR 1998 UL http://emj.bmj.com/content/15/1/62.abstract AB