Amado Costa, Luísa, André Peixoto, Luís Vítor, and José Fonseca Santos. 2021. “VARICOSITY OF THE COMMUNICATING VEIN BETWEEN THE LEFT RENAL VEIN AND THE LEFT ASCENDING LUMBAR VEIN”. Portuguese Journal of Cardiac Thoracic and Vascular Surgery 28 (1). Lisbon, Portugal:71-72. https://doi.org/10.48729/pjctvs.21.