Tafur Calderón, L.A., Cabal Concha, M. del R. and Salazar Jaramillo, L. 1990. Postural alterations of the spine in schoolchildren. Colombia Medica. 21, 3 (Sep. 1990), 101–104. DOI:https://doi.org/10.25100/cm.v21i3.6307.