Mental conditions reflected by the Chaos of pulsation in capillary Vessels. - Takeo Sumida; Yoitchi Arimitu; Takashi Tahara; Hiroaki Iwanaga (Int. J. Bifurc. Chaos, 2000)

Numerical Indication of Structural Stability in Dynamical Systems and its Application to Clinical Study. - Takeo Sumida; Hiroaki Iwanaga; Takashi Tahara (Int. J. Bifurc. Chaos, 2007)

Information Dynamics of the Mother-Fetus System Using Kolmogorov-Sinai Entropy Derived from Heart Sounds: A Longitudinal Study from Early Pregnancy to Postpartum. - Sayuri Ishiyama; Takashi Tahara; Hiroaki Iwanaga; Kazutomo Ohashi (Entropy, 2025)