AU - Ferry D FAU - Ferry, David R. TI - Extrasystoles and Preexcitation Syndromes PT - BOOK SECTION DP - 2007 BTI - ECG in 10 Days, 2e DA - 2007 Y2 - 2024/10/10 UR - accesscardiology.mhmedical.com/content.aspx?aid=1128944326