KNOX, J M <br/><br/>
The ill effects of sunlight.  [electronic resource] 

 -  Clinical medicine (Northfield, Ill.)  Jan 1962 
 - 43-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0412-7994 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Skin--radiation effects<br/>Sunlight