title: Aspartate aminotransferase and pyruvate kinase activities in erythrocytes separated according to age by gradient centrifugation.
mesh_terms: D001219:Aspartate Aminotransferases / Q000097:blood*; D002469:Cell Separation / Q000379:methods; D002499:Centrifugation, Density Gradient / Q000379:methods; D004905:Erythrocyte Aging; D004912:Erythrocytes / Q000166:cytology / Q000201:enzymology*; D006801:Humans; D007700:Kinetics; D011770:Pyruvate Kinase / Q000097:blood*
chemical_list: D001219:Aspartate Aminotransferases; D011770:Pyruvate Kinase