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. Revista Ecuatoriana de Pediatría, [S. l.], v. 27, n. 1, p. 4–13, 2026. DOI: 10.52011/RevSepEc/e337. Disponível em: https://www.rev-sep.ec/index.php/johs/article/view/337. Acesso em: 11 nov. 2026.