Background: Psychological characteristics affect the quality of life. This study aimed at determining the relationship between personal characteristics, internal locus of control , psychological hardiness and nurses’ quality of life. Methods: In this correlation study, 297 nurses were selected based on Curgesy and Morgan table via multistage cluster sampling among 1023 nurses of the pu...

Using a long dataset on openness and productivity this paper tests the influence of openness on TFP growth and per capita growth since 1870 for 16 industrialized countries. It is shown, in simple regressions, that growth is by and large independent of openness. However, once the interaction between openness and foreign knowledge is allowed for, productivity is positively affected by openness. J...

Introduction Scores aimed at contributing to the optimization of exercise testing (ET) have been developed and the experience with their application in coronary artery disease (CAD) has proven to be favorable1. Although there is debate on the use of scores in clinical practice, those that stand for it argue that they may decrease the rate of undiagnosed CAD, besides reducing the number of patie...

OBJECTIVE Detecting and grading of diabetic retinopathy (DR) by means of digital retinal images sent via the Internet. RESEARCH DESIGN AND METHODS Four nonstereoscopic digital retinal images (45 degrees field each) of 126 eye fundus images from 70 diabetic patients were obtained with a nonmydriatic camera at two peripheral units. The images were sent via the Internet using a web-based system ...

Mining tailings as a raw material for preparing autoclaved bricks have attracted much attention. The tailings subjected to milling always have the characteristic of fine granularity. However, the proportion of the fine aggregates in autoclaved bricks was very low using the current gradation formula, which impeded the utilization of the tailings. In this work, a novel model of aggregate gradatio...