@article{article41abcf6f, title = {Consistency of color flon estimation of regugitant flon rate across varying size orifices and multiple orifice}, author = {Moises, V A and Shandas, R and Maciel, B C and Beltran, M and Recusani, F and Sahn, D J}, year = {1989}, journal = {Journal of the American College of Cardiology} }