Ahmed, H. S., Khalid, M. E. M., Osman, O. M., Ballal, M. A., & Al-Hashem, F. H. (2016). The association between physical activity and overweight and obesity in a population of children at high and low altitudes in Southwestern Saudi Arabia. J Family Community Med.

Ahmed, Humeda S., Mohammed E. M. Khalid, Osama M. Osman, Mansour A. Ballal, i Fahaid H. Al-Hashem. "The Association between Physical Activity and Overweight and Obesity in a Population of Children At High and Low Altitudes in Southwestern Saudi Arabia." J Family Community Med 2016.

Ahmed, Humeda S., et al. "The Association between Physical Activity and Overweight and Obesity in a Population of Children At High and Low Altitudes in Southwestern Saudi Arabia." J Family Community Med 2016.