Shahriar A, Haqq MA, Islam R, Hasan MM, Raihan M. Electronic stethoscope for early screening of congenital heart disease. BMCJ [Internet]. 2019 Dec. 31 [cited 2025 Oct. 4];5(2):3-8. Available from: https://bmcj.org/index.php/bmcj/article/view/99