Evidence against a direct carcinogenic effect of X-rays in vitro. 

 - [Washington, D.C.,  1974] 
 - v. 
<br/><br/> Reprinted from JNCI, v.52, no.4, Apr 1974.  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cancer--Research.
<br/><br/><label>Gov. Doc. Class. No.: </label>HE 20.3161/A:C 177/26