Tavoni, Valentina, Francesco Sisini, Giovanni Di Domenico, Nadiya Mohammed, Giacomo Gadda, Francesca Calderoni, and Mauro Gambaccini. “Conventional Echo Color Doppler Versus ULA-OP in the Assessment of Venous Flow Model”. Veins and Lymphatics 6, no. 1 (August 30, 2017). Accessed April 26, 2024. https://www.pagepressjournals.org/vl/article/view/6841.