title: The number of nucleotides and the density and refractive index increments of fd virus DNA.
mesh_terms: D003090:Coliphages; D004267:DNA Viruses; D004279:DNA, Viral / Q000032:analysis; D003720:Densitometry; D008970:Molecular Weight; D009711:Nucleotides / Q000032:analysis*
chemical_list: D004279:DNA, Viral; D009711:Nucleotides