TY - BOOK AU - Aehlert, Barbara TI - Pocket guide for ECGs made easy T2 - Pocket Guides SN - 9780323832878 U1 - 616.1207547 AEH PY - 2022/// CY - Amsterdam PB - Elsevier KW - Clinical Medicine KW - Cardiology KW - Heart Disease KW - ECGs N1 - Electrocardiography ER -