title: Physical properties of the DNA of bacteriophage SP50.
mesh_terms: D000227:Adenine Nucleotides / Q000032:analysis; D001412:Bacillus subtilis; D001435:Bacteriophages; D002499:Centrifugation, Density Gradient; D003597:Cytosine Nucleotides / Q000032:analysis; D004279:DNA, Viral / Q000032:analysis*; D006150:Guanine Nucleotides / Q000032:analysis; D008854:Microscopy, Electron; D008970:Molecular Weight; D013936:Thymidine / Q000032:analysis; D014461:Ultracentrifugation; D014783:Viscosity
chemical_list: D000227:Adenine Nucleotides; D003597:Cytosine Nucleotides; D004279:DNA, Viral; D006150:Guanine Nucleotides; D013936:Thymidine