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The Negro River is located in the Amazon basin, the largest hydrological catchment in the world. Its water is used for drinking, domestic activities, recreation and transportation and water quality is significantly affected by anthropogenic impacts. The goals of this study were to determine the presence and concentrations of the main viral etiological(More)
Hungary has a large number of thermal baths and spa facilities which attract hundreds of thousands of tourists annually. Until recently, however, the free-living amoebae were not of public health concern. Genotyping of Acanthamoeba species, potential agents of keratitis and granulomatous encephalitis, was carried out in 20 Hungarian public baths for the(More)
INTRODUCTION Both suicidal behaviour and consumption of arsenic-contaminated drinking-water represent major public health problems. Previous epidemiological and animal studies showed that high arsenic intake may also be associated with the elevated risk for depression. Since untreated depression is the most powerful risk factor for suicidal behaviour, we(More)
An account is given of the therapeutic experience with lithium in childhood hyperaggressivity. In 13 cases of the hospitalized 17 children between 3 and 12 years of age significant rehabilitation was achieved. Their sociability and ability to adapt themselves to the environment improved to a tolerable level. During treatment, no irreversible side effects(More)
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