title: On the presence of minor bases in DNA of phages DD7 and Sd and their hosts.
mesh_terms: D000225:Adenine / Q000032:analysis; D000588:Amines; D003090:Coliphages / Q000032:analysis*; D003596:Cytosine / Q000032:analysis; D004269:DNA, Bacterial / Q000032:analysis*; D004279:DNA, Viral / Q000032:analysis*; D004926:Escherichia coli / Q000032:analysis*; D006147:Guanine / Q000032:analysis; D008745:Methylation; D011687:Purines / Q000032:analysis; D013057:Spectrum Analysis; D013941:Thymine / Q000032:analysis
chemical_list: D000588:Amines; D004269:DNA, Bacterial; D004279:DNA, Viral; D011687:Purines; D006147:Guanine; D003596:Cytosine; D000225:Adenine; D013941:Thymine