Usman Iqbal, Sohail Aziz, Ayaz Ahmed, Azmat Hayat, Muhammad Irfan, and Muhammad Shabir. “PERCUTANEOUS LEFT ATRIAL APPENDAGE (LAA) OCCLUSION; FIRST EVER CASE AT AFIC”. Pakistan Armed Forces Medical Journal 66, no. SUPPL-1 (December 29, 2016): S233–34. Accessed October 4, 2025. https://pafmj.org/PAFMJ/article/view/11815.