Echocardiographic Study in Preterm Infant with Hemodynamic Significant Patent Ductus Arteriosus. Indian Journal of Forensic Medicine & Toxicology [Internet]. 2021 Nov. 30 [cited 2026 Jun. 23];16(1):1145-50. Available from: https://medicopublication.com/index.php/ijfmt/article/view/17650