Attenuation and backscattering of ultrasound in freshly excised animal tissues.
D000042:Absorption; D000703:Analog-Digital Conversion; D000818:Animals; D003201:Computers; D004285:Dogs; D006352:Heart Ventricles / Q000033:anatomy & histology*; D008099:Liver / Q000033:anatomy & histology*; D008954:Models, Biological; D009203:Myocardial Infarction / Q000473:pathology; D013016:Sound; D014463:Ultrasonography