TY - GEN AU - Kuznetsov,A I TI - [Genesis of the I heart sound in mitral stenosis in children] SN - 0031-403X PY - 1969///1016 KW - Child KW - Heart Auscultation KW - Humans KW - Mitral Valve Stenosis KW - Phonocardiography N1 - Publication Type: Journal Article ER -