TY - BOOK AU - Beasley,Brenda M. TI - Understanding EKGs: a practical approach SN - 9780133147728 (paperback) AV - RC683.5.E5 B378 2014 U1 - 616.1/207547 23 PY - 2014///] CY - Boston PB - Pearson KW - Electrocardiography N1 - Includes index ER -