Molano, M., P. Moreno Acosta, y M. M. Bravo. «Types and Variants of Human Papillomavirus in Patients With Cervical Cancer Submitted to Radiotherapy». Biosalud, vol. 6, diciembre de 2007, pp. 45-57, https://revistasojs.ucaldas.edu.co/index.php/biosalud/article/view/5844.