![Interlaboratory comparison of ultrasonic attenuation and speed measurements.]()
Interlaboratory comparison of ultrasonic attenuation and speed measurements.Madsen, E L; Frank, G R; Carson, P L; Edmonds, P D; Frizzell, L A; Herman, B A; Kremkau, F W; O'Brien, W D; Parker, K J; Robinson, R A · Journal of Ultrasound in Medicine · 1986