Background: The relation of lifetime drinking trajectories to coronary heart disease is not well understood. Methods: Cases hospitalized for a nonfatal acute myocardial infarction (AMI) and healthy population-based controls ...

To determine the conclusive integrity in the Shiraz Cohort Heart Study (SCHS) project, management began quality assurance (QA) and quality control (QC) of the collected data throughout the study end-points. The QA is a ...