title: Mössbauer-effect studies on metal binding in purine compounds.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004492:Edetic Acid; D008670:Metals / Q000032:analysis*; D009696:Nucleic Acids / Q000032:analysis*; D009711:Nucleotides / Q000032:analysis*; D011687:Purines / Q000032:analysis*
chemical_list: D008670:Metals; D009696:Nucleic Acids; D009711:Nucleotides; D011687:Purines; D004492:Edetic Acid