Sánchez-Caballero, B., D. Santillano-Herrera, A. C. Espinoza-Gallardo, A. P. Zepeda-Salvador, A. G. Martínez-Moreno, and A. López-Espinoza. “Effect of Intermittent Energy Restriction on Weight Loss Compared to Continuous Energy Restriction in Overweight and Obese Adults: A Systematic Review”. Spanish Journal of Human Nutrition and Dietetics, vol. 25, no. 3, Sept. 2021, pp. 303-15, doi:10.14306/renhyd.25.3.1248.