Velho, T. R., Ferreira, H., Guerra, N., Gallego, J., & Nobre, Ângelo. (2021). PERSISTENT LEFT SUPERIOR VENA CAVA WITH AGENESIS OF THE RIGHT SUPERIOR VENA CAVA IN A PATIENT WITH COMPLETE ATRIOVENTRICULAR BLOCK. Portuguese Journal of Cardiac Thoracic and Vascular Surgery, 26(2), 139–141. https://doi.org/10.48729/pjctvs.128