M. A. Cerquin Sangay, E. R. Bazualdo Fiorini, and S. Bueno Ordóñez, “Efficacy of pharmacological treatment for closure of patent ductus arteriosus in preterm newborns: a systematic review”, Salud Integral y Comunitaria, vol. 4, p. 299, Jan. 2026, doi: 10.62486/sic2026299.