title: Crystal packing of pyrimidine nucleosides--a study in terms of empirical van der Waals' potential energy.
mesh_terms: D001665:Binding Sites; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003461:Crystallography; D008961:Models, Structural; D009690:Nucleic Acid Conformation; D011687:Purines; D011741:Pyrimidine Nucleosides; D013455:Sulfur; D013942:Thymine Nucleotides
chemical_list: D011687:Purines; D011741:Pyrimidine Nucleosides; D013942:Thymine Nucleotides; D013455:Sulfur