| [epidemiologic setting of the agricultural use of sewage: valle del mezquital, mexico]. | wastewater from mexico city is used to irrigate over 85,000 hectares mainly of fodder and cereal crops in the mezquital valley. a cross-sectional study method is being used to test the impact of exposure to raw wastewater and wastewater from storage reservoirs on diarrheal disease and parasitic infections in farmworkers and their families. the study population in the rainy season survey included 1,900 households: 680 households where the farmworker is exposed to untreated wastewater (exposed gro ... | 1994 | 8042068 |
| interaction of zinc or vitamin a supplementation and specific parasite infections on mexican infants' growth: a randomized clinical trial. | the efficacy of micronutrient supplementation on growth may be modified by specific gastrointestinal parasite infections. | 2009 | 19623197 |
| effect of vitamin a and zinc supplementation on gastrointestinal parasitic infections among mexican children. | gastrointestinal parasites continue to be an important cause of morbidity and stunting among children in developing countries. we evaluated the effect of vitamin a and zinc supplementation on infections by giardia lamblia, ascaris lumbricoides, and entamoeba histolytica. | 2007 | 17908741 |
| health impact evaluation of wastewater use in mexico. | wastewater from mexico city is used to irrigate over 85 000 hectares, mainly of fodder and cereal crops in the mezquital valley. a cross-sectional study method is being used to test the impact of exposure to raw wastewater and wastewater from storage reservoirs on diarrhoeal disease and parasitic infections in farmworkers and their families. the study population in the rainy season survey included 1 900 households: 680 households where the farmworker is exposed to untreated wastewater (exposed g ... | 1991 | 1844273 |