Authors: Negrel, AD Maul, E Pokharel, GP Zhao, JL Ellwein, LB

Citation: Ad. Negrel et al., Refractive Error Study in Children: Sampling and measurement methods for amulti-country survey, AM J OPHTH, 129(4), 2000, pp. 421-426

Authors: Pokharel, GP Negrel, AD Munoz, SR Ellwein, LB

Citation: Gp. Pokharel et al., Refractive Error Study in Children: Results from Mechi zone, Nepal, AM J OPHTH, 129(4), 2000, pp. 436-444