[Characteristics and clinical significance of the time domain and frequency domain parameters of heart sounds in patients with hypertension].
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D000328:Adult; D000368:Aged; D005260:Female; D006321:Heart / Q000503:physiopathology; D006326:Heart Auscultation; D006347:Heart Sounds; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D008297:Male; D008433:Mathematics; D008875:Middle Aged