Rubio Ramírez, A.E., Escalante Canto, P. and Astudillo Neira, E.P. 2020. Predictive variables for endotracheal tube size in pediatric pa-tients in the intensive care unit: Original Research. Revista Ecuatoriana de Pediatría. 21, 3 (Dec. 2020), Artículo 19:1-9. DOI:https://doi.org/10.52011/0032.