Diagnosis by ultrasonography and isotopic phlebography of a malformation of the inferior vena cava: Proximal transposition with anterior crossing over the aorta

1. Pinedo, J.I.
2. Castejon, I.
3. Cienfuegos, J.A.
4. Ramos, J.
5. Chamorro, J.L.
6. Berrocal, J.O.