Peruilh-Bagolini, L. et al. 2021. Pigmented onychomatricoma: A clinical simulator that could not mislead ultrasound. Acta Biomedica Atenei Parmensis. 92, S1 (Apr. 2021), e2021158. DOI:https://doi.org/10.23750/abm.v92iS1.9519.