Cardiac microvascular rarefaction appears to be involved in hyperthyroidism-induced left ventricular hypertrophy and dysfunction. We investigated the effects of losartan, an AT1 receptor antagonist; diltiazem, a calcium channel blocker; and propranolol, a β-adrenergic receptor antagonist, on cardiac function and structural microcirculatory cardiac alterations in an experimental model of l-thyro...

introduction the increase in the use of breast feeding and the decrease in mothers' hospitalization in the past few years have caused  an increase in the infant bilirubin level, so it is necessary to introduce methods which can identify infants with higher risks of hyperbiliru binemia. the aim of this study is to determine the predictive value of measuring the umbilical cord bilirubin for ...

Strategic renewal, although critical for the sustained success of organizations, has received relatively little attention as distinct from the more general phenomenon of strategic change. Like all strategic issues, strategic renewal presents both opportunities and challenges for organizations. In this article, we first define the term “strategic renewal” and elaborate on important characteristi...

The goal of this article is to frame some new directions to social comparison research in organizational settings. Four themes are developed. First, we examine the role of organizational variables in shaping the basic sub processes in social comparison, such as the selection of referents. The second theme focuses on the meaning of level of analysis in social comparison processes. The third them...