1. Percutaneous biopsy of abdominal organs under ultrasound guidance;Barr;Journal of Small Animal Practice,1995
2. Evaluation of blood urea nitrogen and serum creatinine concentrations as indicators of renal dysfunction: a study of 111 cases and a review of related literature;Finco;Journal of the American Veterinary Medicine Association,1976
3. Relationship of glomerular number and diameter to body size of the dog;Finco;American Journal of Veterinary Research,1972
4. Safety of ultrasound-guided percutaneous biopsy-retrospective analysis of 1090 consecutive cases;Hergesell;Nephrology Dialysis Transplant,1998
5. Aspiration biopsy of the kidney;Iversen;American Journal of Medicine,1951