[The atrial sound in normal subjects].
D000293:Adolescent; D000328:Adult; D006328:Cardiac Catheterization; D005260:Female; D006321:Heart / Q000502:physiology*; D006325:Heart Atria; D006801:Humans; D008297:Male; D010701:Phonocardiography
Il tono atriale nei soggetti normali.