Beck Adam P, Jampol Lee M, Glaser David A, Pollack John S
Department of Ophthalmology, Feinberg School of Medicine, Northwestern University, 645 N Michigan Ave, Suite 440, Chicago, IL 60611, USA.
Arch Ophthalmol. 2004 Jan;122(1):121-3. doi: 10.1001/archopht.122.1.121.