title: Letter: Enzymes in serum.
mesh_terms: D000469:Alkaline Phosphatase / Q000097:blood; D002021:Buffers; D004798:Enzymes / Q000097:blood*; D005069:Evaluation Studies as Topic; D006801:Humans; D007527:Isoenzymes / Q000097:blood; D007700:Kinetics; D008722:Methods
chemical_list: D002021:Buffers; D004798:Enzymes; D007527:Isoenzymes; D000469:Alkaline Phosphatase