title: [Aging change of bone marrow cell; change of the rate of DNA synthesis].
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D001853:Bone Marrow / Q000378:metabolism*; D004247:DNA / Q000096:biosynthesis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012313:RNA / Q000096:biosynthesis
chemical_list: D012313:RNA; D004247:DNA