title: Transformation of polyploid hamster cells by polyoma virus.
mesh_terms: D000630:Aminopterin / Q000494:pharmacology; D000818:Animals; D046508:Culture Techniques; D005998:Glycine / Q000494:pharmacology; D007042:Hypoxanthines / Q000494:pharmacology; D009374:Neoplasms, Experimental / Q000209:etiology*; D011120:Polyomavirus; D011123:Polyploidy; D013936:Thymidine / Q000494:pharmacology
chemical_list: D007042:Hypoxanthines; D000630:Aminopterin; D005998:Glycine; D013936:Thymidine