TY - BOOK AU - Conover,Mary Boudreau TI - Understanding electrocardiography: arrhythmias and the 12-lead ECG SN - 0801611385 (soft) U1 - 616.1207547 22 PY - 1988/// CY - St. Louis PB - Mosby KW - Electrocardiography N1 - Includes bibliographies and index ER -