RT Journal Article SR Electronic T1 Ophthaproblem. Central retinal vein obstruction. JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 1627 OP 1627 VO 51 IS 12 A1 Mandell, Mark A A1 Sharma, Sanjay YR 2005 UL http://www.cfp.ca/content/51/12/1627.abstract AB