Placebo responses in ankylosing spondylitis patients worldwide: variations and possible explanations

James Cheng-Chung WeiLi-Jun ZhangJin-Xian Huang2026-01-302026-01-302020-04-0310.1080/1744666X.2020.1748500https://scholars.csmu.edu.tw/handle/123456789/3968Placebo responses in ankylosing spondylitis patients worldwide: variations and possible explanationsjournal-article