. 2021 Jun 14;8:686470. doi: 10.3389/fmed.2021.686470
Copyright © 2021 Szymoniak-Lipska, Polańska, Jenerowicz, Lipski, Żaba, Adamski and Dańczak-Pazdrowska.
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Figure 1.
The HF-USG image of the nail unit.