000 00363nam a22001457a 4500
020 _a9780323401302
050 _aMED RC686.5.E5
_b.A39
100 _aAehlert, Barbara
245 _aECGs made easy
250 _a6th ed.
260 _aPhoenix, Arizona
_bElsevier
_c2018
300 _ax,326p.;
_bill.
650 _aElectrocardiography-handbooks,manuals
942 _cBK
999 _c37433
_d37433