Romanini E, Decarolis F, Luzi I, Zanoli G, Venosa M, Laricchiuta P, Carrani E, Torre M. Total knee arthroplasty in Italy: reflections from the last fifteen years and projections for the next thirty. International Orthopaedics (SICOT) 2019;43: 133. https://doi.org/10.1007/s00264-018-4165-7