Chavez Mauricio, Mafee Mahmood F, Castillo Bienvenido, Kaufman Lawrence M, Johnstone Helen, Edward Deepak P
Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, USA.
J Pediatr Ophthalmol Strabismus. 2004 Jan-Feb;41(1):48-52. doi: 10.3928/0191-3913-20040101-11.