[Study of the composition of the DNA nitrogen bases in the livers of albino rats differing in age].
D000367:Age Factors; D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D004247:DNA / Q000378:metabolism*; D011756:Diphosphates; D008099:Liver / Q000378:metabolism*; D009711:Nucleotides / Q000378:metabolism; D051381:Rats; D012995:Solubility
D011756:Diphosphates; D009711:Nucleotides; D004247:DNA
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