J. L. Arcos García, G. D. Mendoza Martínez, R. Bárcena Gama, O. V. Espino Barros, and G. E. Leyte Morales, “Reproductive analysis of Iguana iguana females raised in captivity in Oaxaca, Mexico”, Vet Mex OA, vol. 41, no. 4, Feb. 2011.