Singh, P. .; Upadhyay, J. .; Digal, K. C. .; Shrivastava, Y. .; Basu, S. . Oral Sildenafil Therapy for the Management of Mild Persistent Pulmonary Hypertension of the Newborn in Term Neonates. Indian J Child Health 2020, 7 (10), 415-417.