Nguyen Tuong-Nam, Edelstein Chaim, Mansour Magdi, Burnier Miguel N
Department of Ophthalmology, McGill University Health Centre, Royal Victoria Hospital, McGill University, Montreal, Que.
Can J Ophthalmol. 2003 Apr;38(3):228-9. doi: 10.1016/s0008-4182(03)80066-2.