huang, fang, Qing-Quan Lai, Hong Wu, and Xiao-Ting Ke. “A Left Pulmonary Artery Sling in an Asymptomatic Adult Patient, A Case Report and Review of Literature”. The Heart Surgery Forum 24, no. 2 (March 25, 2021): E278-E281. Accessed April 25, 2024. https://journal.hsforum.com/index.php/HSF/article/view/3637.