Barua, C. et al. 2015. Pulmonary Hypertension in Children with Congenital Left to Right Cardiac Shunt Anomalies. Chattagram Maa-O-Shishu Hospital Medical College Journal. 14, 2 (Nov. 2015), 31–37. DOI:https://doi.org/10.3329/cmoshmcj.v14i2.25714.