title: The determination of methaemoglobin levels by first derivative spectroscopy.
mesh_terms: D004912:Erythrocytes / Q000032:analysis; D006801:Humans; D008706:Methemoglobin / Q000032:analysis*; D008708:Methemoglobinemia / Q000097:blood; D009391:Nephelometry and Turbidimetry; D013053:Spectrophotometry / Q000379:methods
chemical_list: D008706:Methemoglobin