title: [Studies on stabilization of PEP . CK activity determination].
mesh_terms: D000328:Adult; D006801:Humans; D008099:Liver / Q000201:enzymology; D008297:Male; D008722:Methods; D008875:Middle Aged; D010729:Phosphoenolpyruvate Carboxykinase (GTP) / Q000032:analysis*
chemical_list: D010729:Phosphoenolpyruvate Carboxykinase (GTP)