| 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 |
| [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 |
| 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 |
| 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 |
| retention of escherichia coli, giardia lamblia cysts and ascaris lumbricoides eggs in agricultural soils irrigated by untreated wastewater. | in central mexico, agricultural irrigation reusing mexico city's municipal wastewater has been occurring for the last century, resulting in the recharge of the local aquifer. however, groundwater of this zone is of good quality, indicating that the microorganisms contained in wastewater are retained by soil after infiltration. this study aims to assess the capacity of three agricultural soils to retain three microorganisms frequently found in wastewater, namely escherichia coli (e. coli), giardi ... | 2013 | 23722173 |