title: An infectious centres technique for the assay of infectious polyoma virus DNA.
mesh_terms: D000818:Animals; D002460:Cell Line; D004279:DNA, Viral / Q000032:analysis* / Q000302:isolation & purification / Q000494:pharmacology; D004121:Dimethyl Sulfoxide; D005069:Evaluation Studies as Topic; D008722:Methods; D051379:Mice; D011120:Polyomavirus / Q000032:analysis* / Q000254:growth & development / Q000302:isolation & purification; D012965:Sodium Chloride; D010948:Viral Plaque Assay
chemical_list: D004279:DNA, Viral; D012965:Sodium Chloride; D004121:Dimethyl Sulfoxide