Rahman, Maksudur, et al. “Role of Sildenafil in the Treatment of Persistent Pulmonary Hypertension of Newborn (PPHN) - Should It Be Withdrawn from Market of Bangladesh Due to Threat of Being Misuses”. Dhaka Shishu (Children) Hospital Journal, vol. 35, no. 2, Oct. 2020, pp. 100-4, doi:10.3329/dshj.v35i2.49688.