Shunji Nagaoka   Yukiko Bito   Rie Sakuma   Hiroko Nomura   Tadayoshi Hata   Junpei Nishiyama   Yutaka Hirata   
Biological sciences in space = Uchū seibutsu kagaku 17(3) 265-266 2003年10月 [査読有り]
We analyzed and compared the frequency components of the heart rate variability in human neonate, rat, white chicken, turtle, and frog during the developments. Frequency analysis with autocorrelation-FFT method was applied to the heart rate and re...