Núñez, María Ximena, and Claudia Blanco. 2008. “Posterior Elevation Maps and Mean Power Keratometric Maps to Evaluate Keratoconus and Guide Intacs Implantation: a Step towards Improving Intacs Nomogram”. Colombia Medica 39 (3):220-26. https://doi.org/10.25100/cm.v39i3.589.