Luna Godoy, A., Cruz Chávez, L., Rodríguez Anaya, O., Montoya Guzmán, D., Sánchez García, S., Ángeles Medina, F., Rodríguez Chávez, J. and Cruz Hervert, L.P. 2019. Factorial analysis of sagittal cephalometric measurements of the upper airways. Revista Mexicana de Ortodoncia. 6, 2 (Jan. 2019).