Carvaiho, C.F. and Chammas, M.C. (2011). Normal Doppler velocimetry of renal vasculature in Persian cats. Journal of Feline Medicine and Surgery, 13(6): 399-404.
Coley, E.D. (1995). The Rabbit. In: Morrow, D.A., Current Therapy in Theriogenology, W.B. Sunders, Pp:1005-1008.
Dodd, G.D.; Kaufman, P.N. and Bracken, R.B. (1991). Renal arterial duplex Doppler ultrasound in dogs, with urinary obstruction. Journal of Urology, 145(3): 644-646.
Ettinger, S.J. and Feldman, E.C. (2010). Textbook of Veterinary Internal Medicine: Diseases of the Dog and Cat. 7th ed., California: St. Louis, Missouri, Pp: 1332-1407.
Gaschen, S.T.; Cotes, J.R. and Sorjonen, D.C. (2004). Studing about dogs mesenteric by doppler Ultrasonography. Veterinary Radiology and Ultrasound, 45(2): 166-171.
Gottlieb, R.H.; Luhmann, K.T. and Oates, R.P. (1989). Duplex ultrasound evaluation of normal native kidneys and native kidneys with urimary tract obstruction. Journal Ultrasound Medecine, 8(11): 609-611.
Kidong, L.H.; Seong, Y.S.; Lee, J.M.; Lee, J.W. and Ohtaeh, H. (2003). Ultrasonographic resistive index of the cranial pancreaticoduodenal artery in normal conscious dogs. Journal of Veterinary Clinics, 20(3): 274-277.
Masoudifard. M.; Vajhi, A.R.; Soroori, S. and Asadzadeh Manjili, S. (2008). Normal color and pulsed-waved Doppler ultrasonography of femoral artery in rabbits. Journal of Veterinary Research, 62(6): 379-383.
Meyer, J.L.; Khalil, R.M.; Obuchowslti, N.A. and Baus, L.K. (1997). Common carotid artery: Variability of doppler ultrasonography velocity measurements. Radiology, 4(2): 339-341.
Nyland, T.G.; Paul, E.; Mark, D.; William, J. and Fisher, P.E. (1993). Diagnostic of utinary tract obstruction in dogs using duplex Doppler ultrasonography. Veterinary Radiology and Ultrasound, 34(5): 348-352.
Nyland, T.G. and Mattoon, J.S. (2014). Small Animal Ultrasound. 3rd ed. Saunders, Philadelphia, Pp: 410-520.
Rooma Gardelle, O.; Wergin, M.; and Achermann, N. (2005). Studing about acute animia in renal vascular resistance, puls pressure and the resistive index in dogs kidneys. Radiology, 213: 225-246.
Toker, M. and Sagmanligil, V. (2002). Evaluation of echocardiographic findings via doppler technique in rabbits. Turk Veterinerlik ve Hayvancilik Dergisi, 26(4): 895-900.
Tublin, M.E.; Tessler, F.N. and Murphy, M.E. (1999). Correlation between renal vascular resistance, pulse pressure, and the resistive index in isolated perfused rabbit kidneys. Radiology, 213(1): 258-264.
Zwiebel, W.J. (2000). Introduction to vascular ultrasonography. 4th ed. Saunders, Philadelphia, Pp: 447-455.
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