@misc{indiciaed99dc669e022, title = {Estimation of frequency-dependent attenuation based on parametric spectral analysis and correlation lags of the demodulated echo signal.}, author = {A Lymberis and A Herment and G Demoment and C Fric}, year = {1991}, doi = {10.1177/016173469101300101}, url = {https://pubmed.ncbi.nlm.nih.gov/1998246/}, note = {Source identifier: 1998246} }