Buele Muñoz S del C, Aguinaga F. Comparative analysis between invasive and non-invasive surfactant administration methods in preterm infants at the Neonatology Unit of the Hospital Metropolitano, during the period from January 1, 2014, to October 31, 2024. REV-SEP [Internet]. 2026 Jan. 12 [cited 2026 Nov. 11];27(1):4-13. Available from: https://www.rev-sep.ec/index.php/johs/article/view/337