TY - BOOK AU - Aehlert,Barbara TI - ECGs made easy SN - 9780323401302 (pbk. : alk. paper) AV - RC683.5.E5 A39 2018 U1 - 616.1/207547 PY - 2018/// CY - Missouri PB - Elsevier Ltd KW - Electrocardiography KW - Handbooks, manuals, etc ER -