title: The photoreactivity of pyrimidine-purine sequences in some deoxydinucleoside monophosphates and alternating DNA copolymers.
mesh_terms: D004247:DNA / Q000528:radiation effects*; D015226:Dinucleoside Phosphates; D009841:Oligonucleotides / Q000528:radiation effects*; D011089:Polydeoxyribonucleotides / Q000528:radiation effects*; D014466:Ultraviolet Rays
chemical_list: D015226:Dinucleoside Phosphates; D009841:Oligonucleotides; D011089:Polydeoxyribonucleotides; D004247:DNA