Our research draws upon social cognitive theory and incorporates a regulatory approach to investigate why and when abusive supervision influences employee creative performance. The analyses of data from multiple time points and multiple sources reveal that abusive supervision hampers employee self-efficacy at work, which in turn impairs employee creative performance. Further, employee mindfulne...

In 1940 hejoined the Royal Army Medical Corps, served with the 8th Army in the desert and was taken prisoner on the fall of Tobruk; after two years' captivity he was repatriated in 1943 under the Geneva Convention regarding medical personnel. He returned to military service as LieutenantColonel in charge of the medical division of a General Hospital, landed in France in 1944 and took part in th...

recreational waters should be considered as risks for enterococcal infections in regions with high utilization and long exposure periods. the aim of this study was to investigate the resistance of enterococci to selected antibiotics and some heavy metals [pb+2, fe+2, zn+2 and cr+2]. a total of 75 enterococcal isolates was obtained from 54 bathing and fishing water samples from 9 bathing and fis...

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 and aims. the aim of the present study was to systematically review fluoride concentration of drinking waters and prevalence of fluorosis in iran through systematically evaluating results of studies conducted in this regard. materials and methods. in this systematic review study, the required data was collected using keywords including drinking water fluoride, fluoride concentration,...

objective(s) herbal waters are extensively used in most parts of iran including mashhad. visiting a patient with total blindness due to daily ingestion of around 200 ml of herbal water (plant forty water) per day for six months was the rational for methanol determination in all herbal waters available in mashhad markets. materials and methods a total of two hundred and nineteen bottles of herba...

abstract objective: the aim of this study was evaluating the relationship between maternal serum lipid measured at 13-23 weeks of pregnancy and subsequent glucose intolerance. materials and methods: in a prospective study, 624 pregnant women prior to 23 weeks were eligible for the study. primarily, serum levels of total cholesterol, ldl cholesterol, hdl cholesterol, and triglyceride were measur...

Cell line cytotoxicity assays have become increasingly popular approaches for genetic and genomic studies of differential cytotoxic response. There are an increasing number of success stories, but relatively little evaluation of the statistical approaches used in such studies. In the vast majority of these studies, concentration response is summarized using curve-fitting approaches, and then su...

for determination of so2 concentration and its variation due to time and location within tehran air-shed area, department of environmental health, school of public health installed two units of semiautomatic air sampler, in tehran university campus and ghazvin-square area. collected samples were analyzed according to hydrogen peroxide method and for each month arithmetic mean was calculated. th...

this study at first level focused on definitions and descriptions of  some landfills and landfills sites all around the world and  survey on how important they are for regional governments and responsible in duty  as a very important responsibility for locals and their health. at the second level we had a look on heavy metals concentration which are by many definitions as follows: lead, nickel,...