Virus particles in early mouse embryos. 

 - [Washington, D.C.,  1973] 
 - v. 
<br/><br/> [Reprinted from JNCI, v.51, no.3, Sept. 1973].  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:V 819/13