Yuniadi, Y., R. Prakoso, E. Maharani, B. Nagawijaya, and M. Munawar. “Left Ventricular Hypertrophy Are Associated With Increased Ostial Pulmonary Vein Diameter”. Medical Journal of Indonesia, vol. 15, no. 3, Aug. 2006, pp. 173-6, doi:10.13181/mji.v15i3.234.