Okadharma, I. G. A. M. D., N. P. V. Yantie, and E. Gunawijaya. “Factors Contributing to Successful Patent Ductus Arteriosus Closure With First Pharmacological Course”. Paediatrica Indonesiana, Vol. 62, no. 2, Mar. 2022, pp. 86-90, doi:10.14238/pi62.2.2022.86-90.