Cárdenas-Villalvazo, A., A. López-Espinoza, A. G. Martínez, K. Franco, F. Díaz, V. Aguilera, and E. Valdez. “Food Intake, Growth and Anxiety, After Overcrowding or Isolation-Induced Stress in Rats”. Mexican Journal of Behavior Analysis, vol. 36, no. 2, July 2010, pp. 129-42, doi:10.5514/rmac.v36.i2.18487.