title: Cooperation in growth of guanidine-dependent and guanidine-sensitive strains of Echoviruses 6 and 7 in the course of mixed infection of human embryo fibroblasts.
mesh_terms: D000818:Animals; D002478:Cells, Cultured / Q000382:microbiology; D046508:Culture Techniques; D004352:Drug Resistance, Microbial; D004622:Embryo, Mammalian; D029822:Enterovirus B, Human / Q000187:drug effects / Q000254:growth & development* / Q000378:metabolism; D005347:Fibroblasts / Q000382:microbiology*; D014644:Genetic Variation; D005827:Genetics, Microbial; D005838:Genotype; D006146:Guanidines / Q000378:metabolism / Q000494:pharmacology*; D006801:Humans; D007106:Immune Sera; D010641:Phenotype; D011817:Rabbits / Q000276:immunology; D014779:Virus Replication
chemical_list: D006146:Guanidines; D007106:Immune Sera