SMITH, C E <br/><br/>
Tannic acid in radiography.  [electronic resource] 

 -  The X-ray technician  Jan 1952 
 - 268-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Benzopyrans<br/>Humans<br/>Radiography<br/>Tannins