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2. Fore-n-aft triangle formula for rapid estimation of area;Bradley;Am Heart J,1969
3. Evaluation of three methods for cardiac output determination in cats;Dyson;Am J Vet Res,1985
4. Indirect blood pressure determination by the ultrasonic Doppler technique in dogs;Freundlich;Curr Ther Res,1972
5. Measurement of blood flow by thermodilution;Ganz;Am J Cardiol,1972