TY  - RPRT
TI  - Attenuation estimation with the zero-crossing technique: phantom studies.
AU  - J Ophir
AU  - M A Ghouse
AU  - L A Ferrari
PY  - 1985
DO  - 10.1177/016173468500700202
UR  - https://pubmed.ncbi.nlm.nih.gov/3909600/
ID  - 3909600
ER  -