Mirzarahimi, M., R. Emamzadeghan, A. Enteshari Moghaddam, and N. Falsafi. “Comparison of the Effect of Two Drugs Paracetamol With Intravenous Ibuprofen in Patent Ductus Arteriosus Treatment”. International Journal of Basic & Clinical Pharmacology, vol. 9, no. 5, Apr. 2020, pp. 690-4, doi:10.18203/2319-2003.ijbcp20201741.