Valentini, Roberto, et al. “First Metatarsophalangeal Joint Replacement With Total Arthroplasty in the Surgical Treatment of the Hallux Rigidus”. Acta Biomedica Atenei Parmensis, vol. 85, no. 2, July 2014, pp. 113-7, https://mattioli1885journals.com/index.php/actabiomedica/article/view/3764.