- Correspondence to L C Zepeda-Romero, Retinopathy of prematurity clinic, Hospital Civil de Guadalajara, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Calle Hospital No. 278, Guadalajara, Jalisco, Mexico;
- Accepted May 8, 2011
- First published June 7, 2011.
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