title: [Basis of enzyme activity determination].
mesh_terms: D002021:Buffers; D004798:Enzymes / Q000032:analysis* / Q000097:blood; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007527:Isoenzymes / Q000032:analysis; D007770:L-Lactate Dehydrogenase / Q000032:analysis; D008722:Methods; D009243:NAD; D011773:Pyruvates; D019289:Pyruvic Acid; D011786:Quality Control; D012016:Reference Values; D013696:Temperature; D013997:Time Factors
chemical_list: D002021:Buffers; D004798:Enzymes; D007527:Isoenzymes; D011773:Pyruvates; D009243:NAD; D019289:Pyruvic Acid; D007770:L-Lactate Dehydrogenase