[Importance of the first derivative in the analysis of a rheogram].
D000293:Adolescent; D000328:Adult; D001775:Blood Circulation; D005260:Female; D006331:Heart Diseases / Q000503:physiopathology; D006801:Humans; D006973:Hypertension / Q000503:physiopathology; D008297:Male; D008433:Mathematics; D010992:Plethysmography, Impedance
O znachenii pervoĭ proĭzvodnoĭ v analize reogrammy