Mehmood, Amjad, et al. “Retrieval of Embolized Atrial Septal Defect Device from Left Atrium Using Innovative Techniques”. Pakistan Armed Forces Medical Journal, vol. 72, no. SUPPL-3, Nov. 2022, pp. S651-53, https://doi.org/10.51253/pafmj.v72iSUPPL-3.9584.