A Novel Extraction Method of Fetal Electrocardiogram From the Composite Abdominal Signal. - Michiyoshi Sato; Yoshitaka Kimura; Shinichi Chida; Takuya Ito; Norihiro Katayama; Kunihiro Okamura; Mitsuyuki Nakao (IEEE Trans. Biomed. Eng., 2007)

Antepartum non-invasive evaluation of opening and closing timings of the cardiac valves in fetal cardiac cycle. - Ahsan H. Khandoker; Yoshitaka Kimura; Takuya Ito; Naoaki Sato; Kunihiro Okamura; Marimuthu Palaniswami (Medical Biol. Eng. Comput., 2009)