Salaffi, F., Farah, S., & Di Carlo, M. (2020). Frailty syndrome in rheumatoid arthritis and symptomatic osteoarthritis: an emerging concept in rheumatology. Acta Biomedica Atenei Parmensis, 91(2), 274-296. https://doi.org/10.23750/abm.v91i2.9094