title: Letters: Depressed apparent creatine kinase activity in sera with abnormally high alkaline phosphatase activity.
mesh_terms: D006454:Hemoglobins; D006801:Humans; D007202:Indicators and Reagents; D008706:Methemoglobin / Q000032:analysis*; D008722:Methods; D009573:Nitrites; D010084:Oxidation-Reduction
chemical_list: D006454:Hemoglobins; D007202:Indicators and Reagents; D009573:Nitrites; D008706:Methemoglobin