Colò, G. et al. 2023. The influence of first ray instability and hindfoot valgus in the development of hallux rigidus: state of art. Acta Biomedica Atenei Parmensis. 94, S2 (Jun. 2023), e2023116. DOI:https://doi.org/10.23750/abm.v94iS2.13635.