A noninvasive electromagnetic conductivity sensor for biomedical applications. - Lynn W. Hart; Harvey W. Ko; James H. Jr. Meyer; David P. Vasholz; Richard I. Joseph (IEEE Trans. Biomed. Eng., 1988)

In vivo measurement of tumor conductiveness with the magnetic bioimpedance method. - Dexter G. Smith; Steven R. Potter; Benjamin R. Lee; Harvey W. Ko; Willie R. Drummond; Jacqueline K. Telford; Alan W. Partin (IEEE Trans. Biomed. Eng., 2000)