Mahmood, Amjad, et al. “TRANSCATHETER VENUS P VALVE IMPLANTATION AT PULMONARY POSITIONPOST TOF REPAIR WITH SEVERE PR- INITIAL CASE IN PAKISTAN”. Pakistan Armed Forces Medical Journal, vol. 70, no. Suppl-4, Jan. 2021, pp. S916-19, https://doi.org/10.51253/pafmj.v70iSuppl-4.6012.