title: Cytochrome oxidase in latent iron deficiency (sideropenia).
mesh_terms: D003677:Deficiency Diseases / Q000175:diagnosis*; D003576:Electron Transport Complex IV; D006801:Humans; D007501:Iron; D009061:Mouth Mucosa / Q000201:enzymology*
chemical_list: D007501:Iron; D003576:Electron Transport Complex IV