[Phonocardiographic characteristics of physiological heart sounds in healthy children].
D002648:Child; D004562:Electrocardiography; D006326:Heart Auscultation; D006801:Humans; D010701:Phonocardiography
Fonodardiograficheskaia kharakteristika fiziologicheskikh sercechnykh shumov u zdorovykh deteĭ.