Association between air pollutants and initiation of biological therapy in patients with ankylosing spondylitis: a nationwide, population-based, nested case-control study.
Chung-Mao KaoYi-Ming ChenWen-Nan HuangYi-Hsing ChenHsin-Hua ChenPublished in: Arthritis research & therapy (2023)
levels. Major limitations included lack of information on individual smoking status and multicollinearity amongst air pollutants.