Erwin, J., Enki, D. G., & Woolf, A. D. (2021). Younger people with rheumatoid arthritis are at increased risk of fracture even before age 50 years: a population-based cohort study. Osteoporosis international, 32(8), 1651-1659. https://doi.org/10.1007/s00198-021-05862-1