title: Cell-fusing activity of visna virus particles.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000494:pharmacology; D002462:Cell Membrane / Q000187:drug effects*; D002467:Cell Nucleus; D006224:Cricetinae; D046508:Culture Techniques; D009439:Neuraminidase / Q000494:pharmacology; D012756:Sheep; D012757:Sheep Diseases / Q000382:microbiology; D014466:Ultraviolet Rays; D014776:Virus Cultivation; D014713:Viruses, Unclassified / Q000254:growth & development* / Q000528:radiation effects
chemical_list: D000906:Antibodies; D009439:Neuraminidase