TY  - RPRT
TI  - Methods for quantifying ultrasound backscatter and two-dimensional video intensity: implications for contrast-enhanced sonography.
AU  - K Q Schwarz
AU  - X Chen
AU  - S Steinmetz
PY  - 1998
DO  - 10.1016/s0894-7317(98)70074-4
UR  - https://pubmed.ncbi.nlm.nih.gov/9517555/
ID  - 9517555
ER  -