title: Inferences from the distribution of pyrimidine isostichs in deoxyribonucleic acids.
mesh_terms: D001409:Bacillus cereus; D055598:Chemical Phenomena; D002621:Chemistry; D002845:Chromatography; D003090:Coliphages; D004269:DNA, Bacterial; D004279:DNA, Viral; D004926:Escherichia coli; D066298:In Vitro Techniques; D011743:Pyrimidines; D012241:Rhodopseudomonas; D012485:Salmonella typhi; D012486:Salmonella typhimurium; D012706:Serratia marcescens; D013053:Spectrophotometry
chemical_list: D004269:DNA, Bacterial; D004279:DNA, Viral; D011743:Pyrimidines