000 00312nam a22001337a 4500
020 _a978023101080
050 _aRC683.5
_bE5
_bA39
100 _aAehlert Barbara
245 _aPocket reference for ECGs Made easy
250 _a5th ed.
260 _aSt.Louis
_bElsevier
_c2013
300 _avii,123pg.
942 _cBK
999 _c37186
_d37186