Teng, Nur Islami Mohd Fahmi, et al. “Fasting Calorie Restriction Improved the Quality of Dietary Intake Among Aging Men in Klang Valley, Malaysia”. Pakistan Journal of Nutrition, vol. 12, no. 7, June 2013, pp. 607–614, https://doi.org/10.3923/pjn.2013.607.614.