K Nakayama

Clinical study of "A waves" (atrial waves) in impedance cardiograms.

T. Fujinami, T Fujinami, K Takada, 1977, American heart journal.

Impedance cardiography for estimating cardiac output during submaximal and maximal work.

T. Fujinami, T Fujinami, K Takada, 1978, Journal of applied physiology: respiratory, environmental and exercise physiology.