"Ultrasonic Phonophoresis." The Physician and Sportsmedicine, 10(6), p. 211 Additional informationNotes on contributorsWilliam S. QuillinLt Quillin is head of the physical therapy branch of the US Naval Academy Orthopedic/Sports Medicine Service in Annapolis, Maryland. Kenneth L. Knight, PhD, ATC, is editor of Tips From the Training Room. Dr. Knight is an athletic trainer at Indiana State University in Terre Haute.
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William S. Quillin (1982) studied this question.