C. M. Adhikari, “Transcatheter Closure of Atrial Septal Defects with 40 mm Septal Occluder in Shahid Gangalal National Heart Centre, Nepal”, Nepalese Heart J., vol. 18, no. 2, pp. 49–51, Nov. 2021, doi: 10.3126/njh.v18i2.40427.