M. M. Larghi, M. Grassi, F. Luca, E. Placenza, C. Rampulla, and A. Manzotti, “Clinical outcome before and after COVID-19 quarantine in patients affect of knee and hip osteoarthritis: Experience of orthopedic department in one of the first European country involved in COVID-19 pandemic”., Acta Biomed, vol. 91, no. 4, p. e2020150, Nov. 2020, doi: 10.23750/abm.v91i4.10275.