International Federation of Clinical Chemistry, Scientific Division Committee on Enzymes: approved recommendation on IFCC methods for the measurement of catalytic concentration of enzymes. Part 7. IFCC method for creatine kinase (ATP: creatine N-phosphotransferase, EC 2.7.3.2) - Hørder, M; Elser, R C; Gerhardt, W (Eur J Clin Chem Clin Biochem, 1991)
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