Cite
APA Citation
Essers, I., Busch, M., Boonen, A., Ramiro, S., van der Heijde, D., Landewé, R., & van Tubergen, A. (n.d.). fRI0215 Variability Over Time in Patient-Reported Outcome Measures in Patients with Ankylosing Spondylitis. Annals of the rheumatic diseases, 74, 502. http://access.bl.uk/ark:/81055/vdc_100135135265.0x00005c