title: Simian sarcoma virus, type 1 (Lagothrix): focus assay and demonstration of nontransforming associated virus.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002471:Cell Transformation, Neoplastic; D003911:Dextrans; D000882:Haplorhini; D009858:Oncogenic Viruses; D012513:Sarcoma, Experimental / Q000209:etiology*; D012526:Satellite Viruses
chemical_list: D003911:Dextrans