TY - BOOK AU - O'Keefe,James H. AU - Hammill,Stephen C. AU - Freed,Mark TI - The complete guide to ECGs SN - 9781284066340 AV - RC 683 .O34 2017 U1 - 616.1/207547 23 PY - 2017///] CY - Burlington, MA PB - Jones & Bartlett Learning KW - Electrocardiography KW - Problems, exercises, etc N1 - Pages are oriented sideways with the spine of the book at the top edge; Includes index ER -