Bernal Maria D, Acharya Nisha R, Lietman Thomas M, Strauss Erich C, McLeod Stephen D, Hwang David G
Cornea Service, Department of Ophthalmology, University of California-San Francisco, 10 Koret Way K-301, San Francisco, CA 94143, USA.
Arch Ophthalmol. 2006 Jul;124(7):1051-3. doi: 10.1001/archopht.124.7.ecr60006. Epub 2006 Jun 12.