this paper using generalized roeger's model calculated the lerner index for iranian active industries in 4-digit isic codes during the period 1995-2007. the findings indicate that the lerner index has been between 8 to 16 percent in 38 industries among 131 ones. the index also in different industries shows that more than 50 percent of iranian industries have monopolistic power such that th...

Leptin, the product of the ob gene, has been shown to increase heart rate and blood pressure through a stimulation of cardiac sympathetic nervous system activity, a phenomenon also involved in the pathogenesis of left ventricular hypertrophy in hypertensives. Thus, we hypothesize that plasma leptin concentration is associated with left ventricular hypertrophy. Forty hypertensive males and 15 he...

introduction: one of the sources of natural occurring radiation was soils. the purpose of article was to determine soil pollution by radiation absorbed dose rate, radium equivalent activity, external hazard index, annual gonad dose equivalent and annual effective dose equivalent. methods & materials: the soil samples was located in chahbahar city in blouchestan of iran, was chosen for studying ...

Background and aims: Burden of HIV and AIDS is considerably different among regions and countries around the world. The aim of this study was to assess the inequality in the prevalence of HIV, according to human development index worldwide. Methods: The desired outcome was prevalence of HIV, which was estimated in 100 countries in 2012. The annual report of Joint United Nations Programme on HIV...

OBJECTIVES To determine the feasibility of monitoring the serum concentration of NG-hydroxy-L-arginine (L-NHA) as an index of an increased nitric oxide (NO) synthase activity in patients with rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE) compared with nitrate (NO3-), the major circulating metabolite of NO whose concentration is influenced by dietary intake. METHODS The seru...

Objective(s): To evaluate the in vitro interaction between different extracts of Thymbra spicata L. and certain antimicrobial drugs of different mechanisms, including ampicillin, cefotaxime, amikacin and ciprofloxacin. This study was performed against multidrug-resistant strains of Staphylococcus aureus and Klebsiella pneumoniae. Materials and Methods: Evaluation of antibacterial activity and ...

It recently has been hypothesized that increased plasma plasminogen activator inhibitor-1 (PAI-1) activity could be a possible link between insulin resistance and coronary heart disease. However, it is not known whether insulin sensitivity per se is a determinant of plasma PAI-1 activity or whether other intermediates could explain this association. We investigated the relationship between plas...

  Background :Chronic obstructive pulmonary disease (COPD) is a third leading cause of death.   Methods : In this case control study, we prepared 5 cc bloods from the antecubital vein of 100 COPD patients and 40 healthy individuals as control group. Vascular endothelial growth factor (VEGF) expression protein level was measured by ELISA in both groups.   Results : We found that concentration of...

background : this study aimed to analysis the inequalities of mortality of children under 5 years in west africa by examining the determinants and contributing factors to the overall inequality concentration in these countries. method : data used came from the dhs surveys conducted in the six countries in west africa: burkina faso (2010), benin (2006), cote d'ivoire 2011), ghana (2008), mali (2...

conclusions considering iran’s economic condition during the last five years, the catastrophic health expenditure headcount ratio was more than 2% in iran. materials and methods this descriptive study on iranian rural and urban households was conducted from april to june 2015. the sample sizes were 19437 rural and 18888 urban households that iranian statistical centre (isc) selected them throug...