Larson Jill S Melicher, Bergstrom Lance K, Cameron J Douglas, Erickson Lori A, Grimm Terrence E
Department of Ophthalmology, University of Minnesota, Minneapolis, MN 55455, USA.
Arch Ophthalmol. 2007 Jul;125(7):985-6. doi: 10.1001/archopht.125.7.985.