Emrah Acan, A., and C. Yalin Kilinc. “Modified Glasgow Prognostic Score Predicts Perioperative Adverse Events in Elderly Patients Undergoing Hip Fracture Surgery”. Annals of Medical Research, vol. 27, no. 1, May 2021, pp. 0292-6, http://www.annalsmedres.org/index.php/aomr/article/view/549.