Guzel, M., E. Ozgen, M. Yucel, O. Terzi, E. Ture, M. Cihat Demir, A. Aklar, and A. Baydin. “Geriatric Patient Crowding in Emergency Departments”. Annals of Medical Research, vol. 26, no. 8, May 2021, pp. 1551-5, http://www.annalsmedres.org/index.php/aomr/article/view/1635.