Kumar, S., and S. Sharma. “Coronary Artery Calcium Scoring by Cardiac CT As A Screening Tool in 40-45 Years Age Group – Predictor of Future Risk for Cardiovascular Events- Systemic Review”. Nepalese Journal of Radiology, vol. 3, no. 2, Jan. 2014, pp. 31-36, doi:10.3126/njr.v3i2.9604.