S. Mehralizadeh, S. . Adib, M. . Kashaki, and A. . Talebi, “Comparative Study of the Efficacy of Oral and Intravenous Acetaminophen in Closure of Patent Ductus Arteriosus of Preterm Neonates”, J Ped Nephrol, vol. 9, no. 3, pp. 1–7, Sep. 2021.