Sanket D. Shah 1✉, Kartikeya Makker2, Mingyu Zhang 3, Susan Harnett4, Khyzer B. Aziz2 and Mark L. Hudak Dual medication therapy (acetaminophen and ibuprofen) forthe management of patent ductus arteriosus in preterm infants:a systematic review and meta-analysis 2022 Journal of Perinatology