1. Part 1. General consideration concerning the determination of the catalytic activity concentrations of an enzyme in the blood serum or plasma of man;IFCC recommendations on methods for the measurement of catalytic activity concentration of enzymes;Clin Chem,1973
2. Part 5. IFCC method for alkaline phosphatase (orthophosphoric-monoester phosphohydrolase, alkaline optimum, EC 3.1.3.1);International Federation of Clinical Chemistry;Clin Chim Acta,1983
3. Part 7; IFCC methods for creatine kinase (ATP : creatine phosphotransferase, EC 2.7.3.2). (Stage 1, Draft 3 recommendation of 1983 was obtained from EPE/IFCC Chairman Robert Rej.);EPE/IFCC-Methods for the measurement of the catalytic concentration of enzymes;Clin Chem,1983
4. Accuracy, precision and quality control of enzyme assays;Moss;J Clin Pathol,1971