background: precarious employment is a major social determinant of health and health inequalities with effects beyond the health of workers. objective: to investigate the association between precarious employment and sickness absence in 4 nordic countries, denmark, finland, norway, and sweden. methods: logistic regression analyses were conducted separately for each country on data from 4186 res...

the thyrocervical trunk most commonly arises from the upper portion of the first segment of the subclavian artery, close to the medial edge of the scalenus anterior muscle and after short distance is divided to the inferior thyroid, transverse cervical, and suprascapular artery. this study reports important variations in branches of the thyrocervical trunk in a singular female cadaver. on the r...

This paper brings together evidence from a number of randomized experiments designed to address the problem of absence of teachers and health providers in developing countries. The goal is to see what, if any, lessons we can draw from them. Our tentative conclusion is that these service providers are willing to respond even to quite moderate incentives. The constraint seems to be in getting the...

Introduction: Coronary artery anomalies are rare clinical entities reported in 0.6% to 5.6% of diagnostic coronary angiographies. Anomalous origins of coronary arteries from distal segments are rarely reported. Presented herein is a coronary anomaly in which the circumflex artery (CX) originated as a continuation of the posterolateral branch of the right coronary artery (RCA) w...