TY - RPRT TI - Transcranial Doppler--techniques, application, and instrumentation. AU - N A Martin AU - K M Thomas AU - M Caron PY - 1993 DO - 10.1227/00006123-199310000-00033 UR - https://pubmed.ncbi.nlm.nih.gov/7901798/ ID - 7901798 ER -