TY  - RPRT
TI  - Echo-Doppler (duplex) ultrasonic scanning.
AU  - D E Strandness
PY  - 1985
DO  - 10.1067/mva.1985.avs0020341
UR  - https://pubmed.ncbi.nlm.nih.gov/3883014/
ID  - 3883014
ER  -