Hirachan, Anish, Ranjit Sharma, and Prabesh Neupane. “Agitated Saline Contrast Echocardiogram In Cardio-Pulmonary Evaluation”. Nepalese Heart Journal 18, no. 2 (November 23, 2021): 53–55. Accessed May 1, 2024. https://nepjol.info/index.php/NHJ/article/view/40405.