Background Cardiogenic shock (CS) complicating acute myocardial infarction (AMI) carries high mortality. Early ...

A method is presented that constrains principal components analysis (PCA) to extract a first component that, by definition, summarizes isometric size alone. The remaining information is partitioned ...

Principal Financial Group, Inc. provides retirement, asset management, and insurance products and services to businesses, individuals, and institutional clients worldwide. The company operates through ...

From computers to smartphones, from smart appliances to the internet itself, the technology we use every day only exists ...