[Derivative I and II in rheocardiography].
D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006321:Heart / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010992:Plethysmography, Impedance / Q000379:methods*
La derivata I e II in reocardiografia