Shekharappa, Chandrakala Bada, Edison Albert Balakrishnan Elizabeth, and Bharathi Balachander. 2020. “Association of Patent Ductus Arteriosus Size With Clinical Features and Short-Term Outcomes in Preterm Infants Less Than 34 Weeks”. Indian Journal of Child Health 7 (3): 105-8. https://doi.org/10.32677/IJCH.2020.v07.i03.003.