Fresno CU, Tijmes FS, Thavendiranathan P, Akhtari S, et al. Visual Ordinal Scoring of Coronary Artery Calcium on Contrast-Enhanced and
Non-Contrast Chest CT: A Retrospective Study of Diagnostic Performance and
Prognostic Utility. AJR Am J Roentgenol 2022 Apr 27. doi: 10.2214/AJR.22.27664.
PMID: 35475394