This paper presents results of an assessment of dominant hydro-geochemical processes controlling groundwater chemical composition, using an integrated application of cluster analysis and factor analysis. The area is located in south of saline playa and in Arak city. Cluster analysis classified samples into two main clusters according to their dominant chemical composition: cluster A (dominant c...

comparison of the effect of concept mapping and nursing process on self-regulated learning, self-efficacy and cognitive strategies in nursing students     rezaei k [1] *, kouhestani h [2] , nejat n [3] , ebrahimi fakhar h [4]     received: 12 oct , 2011 accepted: 20 jan , 2012     abstract   background & aims : the success of nursing students depends on the understanding of complex concepts and...

Background: Soil structure is mainly composed of sand, silt, clay, and organic materials. Organisms can live in the soil. The large number of stray cats in the cities of Iran is a major environmental and health problem. Toxoplasma oocysts are shed with the feces of cats, so soil is known as a potential source of transmission of toxoplasmosis. The aim of this study was to determine the soil cont...

background and objectives: tetanus and diphtheria are vaccine-preventable, infectious diseases with significant morbidity and mortality. immunization by the diphtheria and tetanus toxoid (dt) has been applied in iran for almost 50 years. however, there are very few data about the rate of immunity to these diseases in the adult population. the humoral immunity to tetanus and diphtheria among blo...

BACKGROUND Attention Deficit Hyperactivity Disorder (ADHD) is the most common childhood neurological disorder. This disorder is more prevalent in some chronic diseases. The aim of this study was to investigate ADHD in children with early stages of chronic kidney disease (CKD) and to compare it with healthy children. METHODS Seventy five 5-16-year-old children with early stages of CKD (stage 1...

on the continuation of sorting the puzzle of the situation of hydatid disease in iran and considering that so far no survey was conducted in this context in arak city, markazi province central iran, the present study was conducted to determine the seroprevalence of human hydatidosis using agb-elisa test.totally 578 serum samples randomly were collected from patients referred to hospitals and di...