Learning ECGs:  Workbook 
Lawrence D.Newell and Tom Lochhaas 
 - St louis  Mosby lifeline  c1994 
 - 200p.:  ill 
<br/><br/><label>ISBN: </label>0815100434 
<br/><br/><label>LC Class. No.: </label>RC 683.5.E5  / .L43 1994