SERRANO OLEAS, M. J.; CEVALLOS SACOTO, F. A. Determination of the tracheal diameter with ultrasound and its relationship with the tube calculation formula in children aged 1 to 12 years: Original Research. Revista Ecuatoriana de Pediatría, [S. l.], v. 23, n. 1, p. 11-20, 2022. DOI: 10.52011/144. Disponível em: https://rev-sep.ec/index.php/johs/article/view/144. Acesso em: 26 apr. 2024.