title: Studies on purine-pyrimidine hydrogen bonded base pairing by means of absorption and emission sectroscopy.
mesh_terms: D006859:Hydrogen; D011687:Purines; D011743:Pyrimidines; D013050:Spectrometry, Fluorescence; D013056:Spectrophotometry, Ultraviolet
chemical_list: D011687:Purines; D011743:Pyrimidines; D006859:Hydrogen