title: Nucleotide composition of deoxyribonucleic acid of the livers of white rats during ontogenesis.
mesh_terms: D000225:Adenine / Q000032:analysis*; D000818:Animals; D005075:Biological Evolution; D002854:Chromatography, Paper; D003596:Cytosine / Q000032:analysis*; D004247:DNA / Q000032:analysis*; D006146:Guanidines / Q000032:analysis*; D008099:Liver / Q000032:analysis*; D051381:Rats; D013223:Statistics as Topic; D013941:Thymine / Q000032:analysis*
chemical_list: D006146:Guanidines; D003596:Cytosine; D004247:DNA; D000225:Adenine; D013941:Thymine