4D. Umer, G. Ellahi, W. Ellahi, et al. Bio-electrical Impedence Plethysmgraphy-designing an Efficient Non-invasive Electrode for Cardiac Rate Analysis[ J]. 2013,1 ( 1 ) :29 -32.
5A. Y. Simonov, V. B. Kazantsev. Model of the appearance of avalanche bioelectric discharges in neural networks of the brain [ J ]. JETP letters, 2011,93 (8) :470 - 475.