García, D. A., Arias, Y. R. and Aristizábal, F. A. (2009) “Detection of genes mutations in the K-ras, H-ras and EGFR in samples of blood plasma and cervical smears for patients with cervical intraepithelial neoplasia III and cervical cancer”, Colombia Medica, 40(1), pp. 34–50. doi: 10.25100/cm.v40i1.627.