Beltranena, F; Casasola, K; Silva, JC; Limburg, H; (2007) Cataract blindness in 4 regions of Guatemala - Results of a population-based survey. Ophthalmology, 114 (8). pp. 1558-1563. ISSN 0161-6420 DOI: https://doi.org/10.1016/j.ophtha.2006.11.015 Full text not available from this repository.