Ultrastructural comparison of placental virus with several type-C oncogenic viruses. 

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 - Brief communication .
<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:V 819/25