Pavón Palacio, J J, J A Villarraga Ossa, and D F Tobon Espinosa. 2014. “Influence of Tribological Parameters on Coefficient of Friction Between Polypropylene and Skin”. Ingeniería Y Ciencia 10 (20):139-60. https://doi.org/10.17230/ingciencia.10.20.9.