TY - GEN AU - Evans,D H AU - Parton,L TI - The directional characteristics of some ultrasonic Doppler blood-flow probes SN - 0301-5629 PY - 1981///0709 KW - Blood Flow Velocity KW - Mathematics KW - Transducers KW - Ultrasonics KW - instrumentation N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0301-5629(81)90022-3 ER -