Clarfield, A M <br/><br/>
The case of the questionable reference.  [electronic resource] 

 -  CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne  Apr 1989 
 - 844-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0820-3946 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Periodicals as Topic<br/>Writing--standards