Das, S., S. K. Ray, S. Bhattacharya, K. Chatterjee, P. K. Mandal, and S. Sen. “Coronary Artery Diameter Measurement and Z-Score Regression Equation Calculation: A Comparative Study Between Indian Children Between One to Five Years Residing in and Around Kolkata With Children of South-East Asia and Western Population”. International Journal of Contemporary Pediatrics, vol. 4, no. 2, Feb. 2017, pp. 403-10, doi:10.18203/2349-3291.ijcp20164849.