Willink, R D The effect of geometrical spectral broadening on the estimation of mean blood velocity using wide and narrow ultrasound beams. [electronic resource] - IEEE transactions on bio-medical engineering Mar 1996 - 238-48 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0018-9294 Standard No.: 10.1109/10.486281 doi Subjects--Topical Terms: Blood Flow VelocityEchocardiography, Doppler--methodsHumansMathematics