Giordano, L., Friedman, D. S., Repka, M. X., Katz, J., Ibironke, J., Hawes, P., & Tielsch, J. M. (2009). Prevalence of Refractive Error among Preschool Children in an Urban Population: The Baltimore Pediatric Eye Disease Study.

Giordano, Lydia, David S. Friedman, Michael X. Repka, Joanne Katz, Josephine Ibironke, Patricia Hawes, and James M. Tielsch. Prevalence of Refractive Error Among Preschool Children in an Urban Population: The Baltimore Pediatric Eye Disease Study. 2009.

Giordano, Lydia, et al. Prevalence of Refractive Error Among Preschool Children in an Urban Population: The Baltimore Pediatric Eye Disease Study. 2009.