Sobejana M, van den Hoek J, Metsios GS, Kitas GD, et al. Cardiorespiratory fitness and physical activity in people who have rheumatoid arthritis at an increased risk of cardiovascular disease: a cross-sectional study. Rheumatol Int 2021 Jul 31. pii: 10.1007/s00296-021-04903.
PMID: 34331578