González-Méijome JM, Lopes-Ferreira D, Rico-del-Viejo L, Neves P, Ferreira H, Salgado-Borges J. Corneal Pachymetry measured with Pentacam and CorvisST in Normal and Keratoconic Eyes. Int J Kerat Ect Cor Dis 2013; 2 (3):104-107.