TY - GEN AU - Rubin,J M TI - Spectral Doppler US SN - 0271-5333 PY - 1994///0413 KW - Blood Flow Velocity KW - Humans KW - Ultrasonics KW - Ultrasonography N1 - Publication Type: Journal Article UR - https://doi.org/10.1148/radiographics.14.1.8128046 ER -