พงษ์ประภาพันธ์ เ. “Effect of Cardiovascular and Cerebrovascular Co-morbidities to the Mortality of Elderly Patients following Hip Fracture”. Lampang Medical Journal, vol. 38, no. 1, Aug. 2017, pp. 1-9, https://he01.tci-thaijo.org/index.php/LMJ/article/view/183075.