title: Protein and water contents of aging brain.
mesh_terms: D000375:Aging; D000818:Animals; D001923:Brain Chemistry; D004577:Electron Probe Microanalysis; D008722:Methods; D009419:Nerve Tissue Proteins / Q000032:analysis*; D051381:Rats; D014867:Water / Q000032:analysis*
chemical_list: D009419:Nerve Tissue Proteins; D014867:Water