Berry, Harrison M <br/><br/>
Cineradiographic circle unit: Grantee invention.  [electronic resource] 

 -  Public health reports (Washington, D.C. : 1896)  May 1966 
 - 470 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0094-6214