Koirala, R., Panthee, N., Pradhan, S., Rajbhandari, N., Shrestha, D., Chhetri, S., Shrestha, Y., Dahal, A., Dhakal, S. and Thapa, S. 2020. Hospital Outcomes of Surgical Closure of Patent Ductus Arteriosus: 19 Years Experience at Shahid Gangalal National Heart Center. Kathmandu University Medical Journal. 18, 2 (Dec. 2020), 30–35. DOI:https://doi.org/10.3126/kumj.v18i2.33222.