title: Evaluation of direct and indirect coupled enzyme assay systems for measurement of creatine kinase activity.
mesh_terms: D001322:Autoanalysis; D001681:Biological Assay; D003402:Creatine Kinase / Q000097:blood*; D005069:Evaluation Studies as Topic; D005954:Glucosephosphate Dehydrogenase; D006593:Hexokinase; D006801:Humans; D007700:Kinetics; D008722:Methods; D013056:Spectrophotometry, Ultraviolet
chemical_list: D005954:Glucosephosphate Dehydrogenase; D006593:Hexokinase; D003402:Creatine Kinase