TY - GEN AU - Baker,D W AU - Watkins,D W TI - A gating circuit for selective auscultation of heart sounds SN - 0067-8856 PY - 1968///0425 KW - Electrocardiography KW - Electronics, Medical KW - Heart Auscultation KW - instrumentation KW - Humans N1 - Publication Type: Journal Article ER -