Ahmed Mahrous Kamal Baz , Osama Abd El-Fattah El-Agamy , Mohamed Ibrahim Abdelghaffar , Hala Mounir Agha. Left atrial Strain in Pediatric patients with hemodynamically significant PDA : Case- control study . J Popl Ther Clin Pharmacol [Internet]. 2024 Aug. 1 [cited 2024 Nov. 18];31(8):139-58. Available from: https://mail.jptcp.com/index.php/jptcp/article/view/7583