1. Diagnosis by ultrasonography of congestion of the caudal vena cava secondary to thrombosis in 12 cows;Braun;Veterinary Record,2002
2. Ultrasonographic findings in 11 cows with a hepatic abscess;Braun;Veterinary Record,1995
3. Braun, U., Salis, F., Gerspach, C., 2003. Diagnosis by ultrasonography of a thrombus in the caudal vena cava of a cow. Veterinary Record (in press)
4. Ultrasonographic findings in a cow with ascites due to thrombosis of the caudal vena cava;Braun;Schweizer Archiv fur Tierheilkunde,1992
5. Ultrasonographic diagnosis: cranial vena cava thrombosis in a cow;Bueno;Veterinary Radiology and Ultrasound,2000