background: free-living amoebae (fla) are a group of ubiquitous protozoan, which are distrib­uted in the natural and artificial environment sources. the main aim of the current study was to identify the presence of fla in the recreational hot springs of sarein in ardebil province of iran. methods: seven recreational hot springs were selected in sarein city and 28 water samples (four from each h...

introduction: family has a profound influence on personality traits of child. it also makes changes in mental processes of family members. due to the fact that the absence of one parent or both of them has unpleasant effect on mental growth of children and adolescents, this study is looking for the comparison between parented and unparented adolescents in terms of psychological hardiness . meth...

OBJECTIVE Congenital heart disease (CHD) is the most common form of cardiovascular diseases in children. This study was performed from September 2006 to August 2007 in Ardebil, Westnorthern Iran. The aim was to determine the prevalence of heart murmur in newborns and its correlation with CHD. METHODS In a 1-year cross sectional descriptive-analytic study, 2928 newborns were screened for heart...

kajal kaolin deposit is located ~20 km northwest of hashtjin, ardebil province. field evidence and laboratory investigations show that the deposit is an alteration product of ignimbrites, tuffs, and trachy-andesites of eocene age. according to mineralogical data, the major rock-forming minerals include kaolinite, montmorillonite, polygorskite, orthoclase, zeolite (stilbite), quartz, and chalced...

camel is a resistant species to drought and cold weather and produces milk and meat in harshest environmental condition. camel population in iran has been decreasing during last decades, and genetic studies are quite necessary for considering the conservation and productivity of this species. in this study growth hormone gene influencing growth, milk production and reproduction was considered. ...

BACKGROUND Breastfeeding practices might be influenced by migration to another country. Although the "healthy migrant effect" is commonly reported in epidemiology, evidence for it in breastfeeding practices is weak. OBJECTIVES This study aimed to compare the initiation and duration of breastfeeding between Chinese Australian migrants and Chinese mothers in mainland China and test the healthy ...

BACKGROUND In recent years, the prevalence of asthma, rhinoconjunctivitis and eczema symptoms in childhood has considerably increased in developing countries including Bolivia, possibly due to changes in lifestyle, environmental and domestic factors. This study aimed to assess the association between environmental factors and asthma, rhinoconjuctivitis and eczema symptoms in school-aged childre...