TY - RPRT TI - Quantitative tissue characterization based on pulsed-echo ultrasound scans. AU - E Walach AU - C N Liu AU - R C Waag AU - K J Parker PY - 1986 DO - 10.1109/tbme.1986.325753 UR - https://pubmed.ncbi.nlm.nih.gov/3525390/ ID - 3525390 ER -