TY - BOOK AU - Aehlert,Barbara TI - ECGs made easy: pocket reference SN - 032301433X AV - RC683.5.E5 A39 2002 U1 - 616.120 22 PY - 2002/// CY - St. Louis, Mo. PB - Mosby KW - Electrocardiography KW - Handbooks, manuals, etc ER -