Salaffi, Fausto, Sonia Farah, and Marco Di Carlo. “Frailty Syndrome in Rheumatoid Arthritis and Symptomatic Osteoarthritis: An Emerging Concept in Rheumatology”. Acta Biomedica Atenei Parmensis 91, no. 2 (May 11, 2020): 274–296. Accessed July 18, 2024. https://mattioli1885journals.com/index.php/actabiomedica/article/view/9094.