[The fourth heart sound (S4) in normal people and in cardiac patients (author's transl)].
D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006326:Heart Auscultation; D006331:Heart Diseases / Q000503:physiopathology*; D006347:Heart Sounds; D006801:Humans; D008297:Male; D008875:Middle Aged; D010701:Phonocardiography