Bernardini, Marco, et al. “Influences of Postural Alterations on the Hemodynamic of the Gait in Patients With Saphenous Incompetence. A Preliminary Study”. Annali Italiani Di Chirurgia, vol. 90, no. 6, Nov. 2019, pp. 545-50, https://annaliitalianidichirurgia.it/index.php/aic/article/view/2280.