title: Change of nuclear protein phosphatase activity in the liver of old rats.
mesh_terms: D000375:Aging; D000818:Animals; D008099:Liver / Q000201:enzymology*; D008297:Male; D010749:Phosphoprotein Phosphatases / Q000378:metabolism*; D010766:Phosphorylation; D051381:Rats; D011919:Rats, Inbred Strains
chemical_list: D010749:Phosphoprotein Phosphatases