title: Enhancement of simian virus 40 infection in simian and human cells by permissive cell extracts.
mesh_terms: D000650:Amnion; D000818:Animals; D002455:Cell Division; D002460:Cell Line; D002471:Cell Transformation, Neoplastic; D002478:Cells, Cultured / Q000276:immunology*; D000882:Haplorhini; D006801:Humans; D007668:Kidney; D008251:Macaca; D013539:Simian virus 40 / Q000276:immunology*; D014020:Tissue Extracts / Q000276:immunology*
chemical_list: D014020:Tissue Extracts