TY - BOOK ED - Springhouse Corporation. TI - ECG interpretation made incredibly easy SN - 0874348870 (pbk. : alk. paper) AV - RC683.5.E5 E256 1997 PY - 1997/// CY - Springhouse, Pa. PB - Springhouse Corp. KW - Electrocardiography KW - nurses' instruction N1 - Includes index; Includes index ER -