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Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography|July 1, 1991
Observations on Doppler mid-diastolic mitral flow reversalT Utsunomiya, J M GardinAmerican Heart Journal|January 1, 1992
Can signal intensity of the continuous wave Doppler regurgitant jet estimate severity of mitral regurgitation?T Utsunomiya, D Patel, R Doshi, et al.Echocardiography (Mount Kisco, N.Y.)|December 10, 1991
Regurgitant volume estimation in patients with mitral regurgitation: initial studies using color Doppler "proximal isovelocity surface area" methodT Utsunomiya, R Doshi, D Patel, et al.Journal of the American College of Cardiology|July 1, 1993
Calculation of volume flow rate by the proximal isovelocity surface area method: simplified approach using color Doppler zero baseline shiftT Utsunomiya, R Doshi, D Patel, et al.Journal of the American College of Cardiology|April 1, 1991
Doppler color flow "proximal isovelocity surface area" method for estimating volume flow rate: effects of orifice shape and machine factorsT Utsunomiya, T Ogawa, R Doshi, et al.Echocardiography (Mount Kisco, N.Y.)|October 6, 1990
Pitfalls in the display of color Doppler jet areas: combined variability due to Doppler angle, frame rate, and scanning directionT Utsunomiya, T Ogawa, S W King, et al.American Heart Journal|December 1, 1990
Effect of machine parameters on variance display in Doppler color flow mappingT Utsunomiya, T Ogawa, S W King, et al.Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography|July 1, 1991
Doppler color flow mapping of the proximal isovelocity surface area: a new method for measuring volume flow rate across a narrowed orificeT Utsunomiya, T Ogawa, H A Tang, et al.Echocardiography (Mount Kisco, N.Y.)|February 7, 1995
Echocardiography practice issues: reimbursement, quality control, training, and credentialingJ M GardinPageof 34