/content/asa/journal/jasa/139/1/10.1121/1.4940126 1. 1. Agemura , D. H. , O'Brien , W. D. , Olerud , J. E. , Chun , L. E. , and Eyre , D. E.(1990 ). “ Ultrasonic propagation properties of articular cartilage at 100 MHz ,” J. Acoust. Soc. Am. 87 , 1786 –1791 . http://dx.doi.org/10.1121/1.399427 2. 2. Akashi , N. , Kushibiki , J. , and Dunn , F.(2003 ). “ An analytic method of frequency dependence of acoustic properties of biological media in the VHF/UHF ra...