TY - GEN AU - KUZNETSOV,A I TI - [Phonocardiography in normal and rheumatic children] SN - 0031-403X PY - 2000///0701 KW - Heart Murmurs KW - Heart Sounds KW - Phonocardiography KW - Rheumatic Fever KW - physiology KW - Sound N1 - Publication Type: Journal Article ER -