Roa, C. L., G. Osorio, G. Aristizábal, and J. E. Castellanos. “Initiation and Characterization of a Glioblastoma Multiforme Derived Cell Line”. Colombia Medica, vol. 38, no. 1, Mar. 2007, pp. 52-60, doi:10.25100/cm.v38i1.475.