title: [Trace elements in hair, serum and cancerous tissue in patients with esophageal cancer].
mesh_terms: D000328:Adult; D003300:Copper / Q000032:analysis*; D004938:Esophageal Neoplasms / Q000032:analysis*; D005260:Female; D006197:Hair / Q000032:analysis*; D006801:Humans; D008297:Male; D008345:Manganese / Q000032:analysis; D008875:Middle Aged; D009501:Neutron Activation Analysis; D013054:Spectrophotometry, Atomic; D015032:Zinc / Q000032:analysis*
chemical_list: D008345:Manganese; D003300:Copper; D015032:Zinc