Tavoni, Valentina, Francesco Sisini, Giovanni Di Domenico, Nadiya Mohammed, Giacomo Gadda, Francesca Calderoni, and Mauro Gambaccini. 2017. “Conventional Echo Color Doppler Versus ULA-OP in the Assessment of Venous Flow Model”. Veins and Lymphatics 6 (1). https://doi.org/10.4081/vl.2017.6841.