[Intracavitary phonocardiography. A new method in the diagnosis of heart diseases].
D006328:Cardiac Catheterization; D002675:Child, Preschool; D006326:Heart Auscultation; D006801:Humans; D008722:Methods; D010701:Phonocardiography
Fonocardiografía intracavitaria. Un neuvo méodo en el diagnóstico cardiológico.