Suwannarat, P. ., S. . Amatachaya, P. . Amatachaya, S. . Kaewsanmung, and A. . Pumpho. “A19. Discriminative Ability of the 7th Cervical Vertebral Wall Distance for Hyperkyphosis Measurement in Elderly”. Journal of Health Science and Alternative Medicine, July 2022, p. 52, https://he01.tci-thaijo.org/index.php/jhealthscialternmed/article/view/257703.