title: Binding of viruses and ligands to cells: effect of receptor density.
mesh_terms: D002462:Cell Membrane / Q000378:metabolism*; D008024:Ligands; D008954:Models, Biological; D011956:Receptors, Cell Surface / Q000378:metabolism*; D011991:Receptors, Virus / Q000378:metabolism*; D014780:Viruses / Q000378:metabolism*
chemical_list: D008024:Ligands; D011956:Receptors, Cell Surface; D011991:Receptors, Virus