@misc{indiciaea78f20e9407d, title = {Modeling ultrasound imaging as a linear, shift-variant system.}, author = {James Ng and Richard Prager and Nick Kingsbury and Graham Treece and Andrew Gee}, year = {2006}, doi = {10.1109/tuffc.2006.1610563}, url = {https://pubmed.ncbi.nlm.nih.gov/16555763/}, note = {Source identifier: 16555763} }