Akbar, Hajira, Asma Ansari, Sadaf Nawaz, Hafsa Khalil, Khurram Akhter, Amjad Mehmood, Nadeem Sadiq, Mehboob Sultan, and Shahid Nafees. “FETAL ECHOCARDIOGRAPHY: 12 YEARS EXPERIENCE AT AFIC NIHD”. Pakistan Armed Forces Medical Journal 70, no. Suppl-4 (January 5, 2021): S803–08. Accessed May 5, 2024. https://www.pafmj.org/PAFMJ/article/view/6028.