1. Howry DH, Bliss NR.Ultrasonic visualization of soft tissue structures of the body.J Lab Clin Med1952; 40:579-592.
2. Howry DH, Holmes JH, Cushman JJ, Posakony GJ.Ultrasonic visualization of living organs and tissues with observations on some disease processes.Geriatrics1955; 10:123-128.
3. Holmes J, Howry D, Posakony G, Cushman CR.The ultrasonic visualization of soft tissue structures in the human body.Trans Am Clin Climatol Assoc1955; 66:208-225.
4. Howry DH.A brief atlas of diagnostic ultrasonic radiologic results.Radiol Clin North Am1965; 3:433-452.
5. Wild JJ.The use of ultrasonic pulses for the measurement of biologic tissues andthe detection of tissue density changes.Surgery1950; 27:183-188.