Estefan, A., Parodi, H. E., De Mello, W., Juambeltz, C., Pedreira, W., Bazet de Brum, C., & Christophersen, I. (1986). Bacteriological study of the portal vein of man. Cirugía Del Uruguay, 56(1), 37–39. Retrieved from https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3689