title: Decreasing sample size in primary prevention studies: A potential role for coronary artery calcium score.
authors.affiliation: Center for Clinical and Epidemiological Research, University Hospital, University of São Paulo School of Medicine, Brazil msbittencourt@mail.harvard.edu.
authors.forename: Marcio S
authors.initials: MS
authors.lastname: Bittencourt
authors.affiliation: Non-Invasive Cardiovascular Imaging Program, Departments of Medicine (Cardiovascular Division) and Radiology, Brigham and Women's Hospital, Boston, USA.
authors.forename: Ron
authors.initials: R
authors.lastname: Blankstein
authors.affiliation: Center for Prevention and Wellness Research & Miami Cardiovascular Institute, Baptist Health South Florida, USA.
authors.forename: Khurram
authors.initials: K
authors.lastname: Nasir
mesh_terms: D002114:Calcinosis; D002118:Calcium; D017023:Coronary Angiography; D003324:Coronary Artery Disease; D003331:Coronary Vessels; D006801:Humans; D011322:Primary Prevention; D012307:Risk Factors; D018401:Sample Size; D014057:Tomography, X-Ray Computed
chemical_list: D002118:Calcium