title: Protein metabolism in aging mice.
mesh_terms: D000375:Aging; D000818:Animals; D002247:Carbon Isotopes; D007274:Injections, Intraperitoneal; D008239:Lysine / Q000008:administration & dosage; D008297:Male; D051379:Mice; D011506:Proteins / Q000032:analysis / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D011506:Proteins; D008239:Lysine