BACKGROUND Brucellosis is one of the most common infectious diseases in some areas of Iran. Brucellosis has various clinical manifestations and should be considered in the differential diagnosis of many infectious and non-infectious diseases. The aims of this study were to determine the epidemiological, clinical and laboratory findings of the disease in patients with brucellosis in Hamadan, wes...

background and purpose: fluoride is one of the drinking water contaminants regulated by epa. this ion, in low doses in the mouth reduces tooth decay without health risk and at much higher doses causes health complications and can be toxic. the major sources of exposure to fluoride are drinking water, food, dental products, and pesticides. the biggest contributor to exposure for most people in i...

background & aims of the study: antibiotics utilize with the aim of improving human, animal and plant health; also, for treating infections caused by pathogenic bacteria. when these compounds introduce into ecosystems, could affect the microbial community and jeopardize human health. therefore, the aim of present study is to determination of the presence of six common utilized antibiotics (amox...

background and aims: one of the most common approach to understanding spatial and temporal trends of event data is to break it up into a series of time snapshots. therefore space-time cube method applied in order to portray the likely trend in occurrence of the pulmonary tuberculosis (tb) cases. methods: in this study, information of all patients with pulmonary tb recorded in surveillance syste...

background : road runoff is a linear diffuse source of pollution, with very specific pollutant characteristics and ability to discharge into the environment. heavy metal pollution in road runoff has caused widespread concern since the last century. therefore, the purpose of this study was to assess fe, pb, and cd concentrations in surface runoff from regions with high traffic intensity in the c...