Nanoindentation-based mechanical characterization of Poly(vinyl alcohol) for biological phantom realization. - Eleonora Lancia; Claudia Laganà; Ludovica Apa; Mauro Palmieri; Maria Vittoria Martire; Francesco Castelli Gattinara Di Zubiena; Zaccaria Del Prete; Emanuele Rizzuto (MeMeA, 2026)