Measurement of high-resolution mechanical contraction of cardiac muscle by induced eddy current. - Young-Jae Lee; Kang-Hwi Lee; Seung-Jin Kang; Kyeung-Nam Kim; Seonah Khang; Hye Ran Koo; Sunok Gi; Joohyeon Lee; Jeong-Whan Lee (EMBC, 2014)