Poor health and functioning in patients with axial spondyloarthritis during the COVID-19 pandemic and lockdown: REUMAVID study (phase 1) (2022)
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8777346/

Changes in ankylosing spondylitis incidence, prevalence and time to diagnosis over two decades (2021)
https://rmdopen.bmj.com/content/7/3/e001888.long

Rapid improvement in spinal pain in patients with axial spondyloarthritis treated with secukinumab: primary results from a randomized controlled phase-IIIb tria (2021)
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8544765/