Andersen, Haubro, N Jarlov, and A Basse. 1995. “Chronic Catherization of a Hepatic Vein, the Portal Vein and a Mesenteric Vein in Cattle Using Totally Implantable Catheter System”. Scandinavian Journal of Laboratory Animal Science 22 (3). https://doi.org/10.23675/sjlas.v22i3.774.