Karim, Tahmina, 		Islam, Tariqul, AND 		Yadav, Pratima.
" Correlation of Ductal size with Left Ventricular Systolic Function Changes by Echocardiography in Children after Transcatheter Closure of Patent Ductus Arteriosus in a Tertiary Care Hospital" <em>Medical Research Archives</em> [Online], Volume 11 Number 8 (29 August 2023)