Dhungana, Murari, et al. “Trends and Profile of Permanent Pacemaker Implantation in Nepal. Experience From Tertiary Cardiac Center (SGNHC) From 2001 to 2020”. Nepalese Heart Journal, vol. 18, no. 1, Apr. 2021, pp. 29-32, doi:10.3126/njh.v18i1.36778.