Ghandi, Y., Bahrami, M., Akhondzadeh, A., & Alinejad, S. "Comparison of the Efficacy and Complications of Oral versus Intravenous Ibuprofen in Low-birth-weight Neonates with Patent Ductus Arteriosus: A Retrospective Cohort Study", Iranian Journal of Neonatology, 13, 4, 2022, 3-10. doi: 10.22038/ijn.2022.67909.2316