TY - GEN AU - Craige,E TI - Phonoechomechanocardiography and dual echocardiography SN - 0001-5385 PY - 1978///1220 KW - Echocardiography KW - methods KW - Heart Diseases KW - diagnosis KW - Humans KW - Phonocardiography N1 - Publication Type: Journal Article ER -