Schindler T, Smyth J, Bolisetty S, Michalowski J, Mallitt KA, Singla A, Lui K. Early PARacetamol (EPAR) Trial: A Randomized Controlled Trial of Early Paracetamol to Promote Closure of the Ductus Arteriosus in Preterm Infants. Neonatology. 2021;118(3):274-281.