Problems of sample selection arise in the analysis of both experimental and non-experimental data. In clinical trials to evaluate the impact of an intervention on health and mortality, treatment assig
Landmark results from the Women’s Health Initiative trial showed that random assignment to menopausal hormone therapy (MHT) elevated risks of breast cancer and other adverse events. Recent analyses ar
Our research hypothesis that DCB might be a feasible interventional strategy in treatment of patients with Acute Myocardial Infarction (AMI). Our data shows that DCB might be a feasible interventional