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This paper describes and analyses the early developmental stages of a community learning network based in an urban community and social service agency. With government funding, the community organization contracted with a small software firm to design and implement participatively a web-based ‘community portal’ using open source software and(More)
INTRODUCTION This study sought to investigate specific contact force (CF) parameters to guide cavotricuspid isthmus (CTI) ablation and compare the outcome with a historical control cohort. METHODS AND RESULTS Patients (30) undergoing CTI ablation were enrolled prospectively in the Study cohort and compared with a retrospective Control cohort of 30(More)
BACKGROUND Right ventricular nonapical (RVNA) pacing may reduce the risk of heart failure. Fluoroscopy is the standard approach to determine lead tip position, but is inaccurate. We compared cardiac computed tomography (CT), magnetic resonance imaging (MRI), two-dimensional and three-dimensional transthoracic echocardiography (TTE), and chest x-ray (CXR) to(More)
When human erythrocyte apo-transketolase is mixed with cofactors and substrates, the progress curve exhibits a lag phase. Elimination of the lag phase requires the presence of saturating concentrations of cofactors, thiamin diphosphate and Mg2+. The most simple explanation of the observed hysteretic transition is that the slow binding of a(More)
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