Current health resources required for the management of ankylosing spondylitis in developing areas of China. Issue 6 (20th March 2023) - Zhao, Yi; Wang, Qian; Duan, Lihua; Huang, Xinxiang; Wang, Pei; Fan, Ping; Zou, Qinghua; Lin, Zhiming; Zhao, Jiuliang; Wu, Xin; Wang, Li; Gen, Yan; et al.