Voitk, A <br/><br/>
Paying the extra.  [electronic resource] 

 -  CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne  Dec 1993 
 - 1619; author reply 1620-22 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0820-3946 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contrast Media--economics<br/>Ethics, Medical<br/>Humans<br/>Technology, High-Cost