title: Steric effects on the intercalation of aromatic cations to deoxyribonucleic acid.
mesh_terms: D001665:Binding Sites; D002942:Circular Dichroism; D004247:DNA; D008722:Methods; D009690:Nucleic Acid Conformation; D010618:Phenanthrolines; D013696:Temperature; D014783:Viscosity
chemical_list: D010618:Phenanthrolines; D004247:DNA