title: [Copper and zinc content of the blood of patients with malignant tumors (especially on Cu-Zn ratio)].
mesh_terms: D003300:Copper / Q000097:blood*; D006801:Humans; D009369:Neoplasms / Q000097:blood*; D013054:Spectrophotometry, Atomic; D013274:Stomach Neoplasms / Q000097:blood; D015032:Zinc / Q000097:blood*
chemical_list: D003300:Copper; D015032:Zinc