TY  - RPRT
TI  - Recent experience with ultrasonic tissue characterization.
AU  - R L Popp
PY  - 1992
DO  - 10.1016/0002-9149(92)90654-h
UR  - https://pubmed.ncbi.nlm.nih.gov/1534962/
ID  - 1534962
ER  -