title: Structural effects on the circular dichroism of ethidium ion-nucleic acid complexes.
mesh_terms: D000818:Animals; D002417:Cattle; D002942:Circular Dichroism; D004247:DNA; D015226:Dinucleoside Phosphates; D004996:Ethidium; D008433:Mathematics; D009841:Oligonucleotides; D013050:Spectrometry, Fluorescence; D013056:Spectrophotometry, Ultraviolet
chemical_list: D015226:Dinucleoside Phosphates; D009841:Oligonucleotides; D004247:DNA; D004996:Ethidium