Physical activity in established rheumatoid arthritis and variables associated with maintenance of physical activity over a seven-year period – a longitudinal observational study

Ann Bremander, Karina Malm, Maria L. Andersson & on behalf of the BARFOT study group

BMC Rheumatol 4, 53 (2020). https://doi.org/10.1186/s41927-020-00151-6