title: [Trace elements in esophageal cancer--analysis of 44 cases].
mesh_terms: D003300:Copper / Q000032:analysis; D004938:Esophageal Neoplasms / Q000032:analysis*; D005260:Female; D006801:Humans; D008297:Male; D008982:Molybdenum / Q000032:analysis; D014131:Trace Elements / Q000032:analysis*; D015032:Zinc / Q000032:analysis
chemical_list: D014131:Trace Elements; D003300:Copper; D008982:Molybdenum; D015032:Zinc