Semple, E G <br/><br/>
Letters to the Editor.  [electronic resource] 

 -  American journal of public health and the nation's health  Aug 1953 
 - 1041 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9572 
<br/><br/><label>Standard No.: </label>10.2105/ajph.43.8.1041  doi