Nutrition and cataract in low-incom e Mexicans: experience in an Eye Camp
Claudia P. Sánchez-Castillo, José Lara, José Romero-Keith, Guillermo Castoreña, Antonio R. Villa, Norma López, José Pedraza, Omar Medina, Carolina Rodriguez, Federico Chávez-Peón Medina, W. Philip T. James