Letter: Clinical investigation.  [electronic resource] 

 -  The New England journal of medicine  02 1976 
 - 501 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0028-4793 
<br/><br/><label>Standard No.: </label>10.1056/NEJM197602262940916  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Attitude of Health Personnel<br/>Research