TY - BOOK AU - Aehlert,Barbara AU - AZ/Pursley,Phoenix AU - EMS,Southwest TI - ECGs made easy / SN - 9780323069281 U1 - 616.1207547 A B E 221 PY - 2011/// CY - St. Louis, Mo. : PB - Mosby Jems Elsevier, KW - Electrocardiography KW - Handbooks, manuals, etc N1 - Pocket reference for ECGs made easy; Includes bibliographical references and index ER -