We apply the two-sector production function developed by Ram (1986) to estimate the threshold regression model for Iran, concerning the effect of government size on economic growth. Three government size indicators are used to find out the different threshold points. The results show a non-linear relationship of the Armey curve in Iran, in which the threshold effects corresponding to total gove...

Introduction: Oxidative stress is an important factor in the induction of diabetes complications especially peripheral neuropathy and hyperalgesia, and it has been proven that regular aerobic exercise and vitamin E have antioxidant effects. Therefore, this study was designed to examine effects of regular aerobic exercise and vitamin E on thermal pain threshold in streptozocin-induced diabeti...

the exposure to electromagnetic field emitted by mobile telephones is increasing rapidly worldwide that causes side effects, including thermal and non thermal side effects. ear proximity to electromagnetic source may lead to greater damage and side effects, including hearing loss. this study was performed to assess the chronic effect of exposure to electromagnetic field of mobile telephones on ...