1. Challenges and opportunities in ultrasound;Reld,1976
2. Further pilot echographic studies on the histologic structure of tumors of the living intact human breast;Wild;Am J Pathol,1952
3. Frequency dependent attenuation of malignant breast tumors studied by the fast Fourier transform technique;Fry,1979
4. Quantitative A-scan analysis of normal and cirrhotic liver;Wells,1976
5. Ultrasonic characterization of abdominal tissues via digital analysis of backscattered waveforms;Sommer;Radiology,1981