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(1997). Norma Oficial Mexicana NOM-001-ECOL-1996, Que establece los límites máximos permisibles de contaminantes en las descargas de aguas residuales en aguas y bienes nacionales.
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(1997). A novel virus in swine is closely related to the human hepatitis.
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(1997). Occurrence of cestode larvae in brown trout after stocking in a large regulated lake in northern Finland.
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(1997). An outbreak in 1996 of cyclosporiasis associated with imported raspberries.
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(1997). Outbreak of gastroenteritis in military recruits associated with serotype 3 astrovirus infection.
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(1997). Outbreak of toxoplasmosis associated with municipal drinking water.
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(1997). Papillomavirus is resistant to desiccation.
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(1997). Parasite fauna of cage-reared rainbow trout Oncorhynchus mykiss (Walbaum). Research in freshwater farms (Kola PeninsulA, Russia).
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(1997). Parasitological Contamination of Urban Sludge Used for Agricultural Purposes.
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(1997). Particle size distribution in an efluent from an advanced primary treatment and its removal during filtration.
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(1997). Particle size distribution in an efluent from an advanced primary treatment and its removal during filtration.
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(1997). Pathologic and clinical findings in patients with cyclosporiasis and a description of intracellular parasite life-cycle stages.
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(1997). Permissiveness of two African wild rodents, Mastomys huberti and Arvicanthis niloticus, to Schistosoma intercalatum: epidemiological consequences.
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(1997). Presence of very high prevalence and intensity of infection with Fasciola hepatica among Aymara children from the Northern Bolivian Altiplano.
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(1997). Present characteristics of symptomatic amebiasis due to Entamoeba histolytica in the east-southeast area of Tokyo.
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(1997). Prevalence of Salmonella in municipal sewage treatment plant effluents in southern California.
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(1997). The prevalence of Trichuris, Ascaris and hookworm infection in Orang Asli children.
Southeast Asian Journal of Tropical Medicine and Public Health. 28, pp. 161-8.
(1997). The prevalence of Trichuris, Ascaris and hookworm infection in Orang Asli children.
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(1997). Pricing ecological services provided by protected watersheds: Micro-econometric applications in agrarian communities of Indonesia and the Philippines.
Duke University. Ann Arbor.
(1997). A prospective epidemiological study of gastrointestinal health effects due to the consumption of drinking water.
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(1997). A prospective epidemiological study of gastrointestinal health effects due to the consumption of drinking water.
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(1997). Quality control wastewater for irrigited crop production.
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