title: Direct determination of serum zinc and copper by atomic absorption spectrophotometry.
mesh_terms: D000328:Adult; D003300:Copper / Q000097:blood*; D006801:Humans; D008722:Methods; D013054:Spectrophotometry, Atomic; D015032:Zinc / Q000097:blood*
chemical_list: D003300:Copper; D015032:Zinc