title: Studies on the brain nuclear histones of different species.
mesh_terms: D000375:Aging; D000818:Animals; D002467:Cell Nucleus / Q000032:analysis; D002540:Cerebral Cortex / Q000032:analysis*; D004247:DNA / Q000032:analysis; D006168:Guinea Pigs; D006657:Histones / Q000032:analysis*; D011817:Rabbits; D051381:Rats
chemical_list: D006657:Histones; D004247:DNA