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- [2] PREVALENCE AND CAUSES OF BLINDNESS IN URBAN AND RURAL AREAS OF EGYPT [J]. PUBLIC HEALTH REPORTS, 1970, 85 (07): : 587 - +
- [3] AIDS cases in the rural areas of Mexico. [J]. SALUD PUBLICA DE MEXICO, 1995, 37 (06): : 615 - 623
- [6] Rural urban differences in the prevalence of diabetic retinopathy in Mexico. [J]. DIABETOLOGIA, 1997, 40 : 1957 - 1957