title: [Change of blood levels of trace elements, zinc and copper, in patients with deficiency syndrome due to chronic liver diseases and their significance].
mesh_terms: D002908:Chronic Disease; D003300:Copper / Q000097:blood*; D006801:Humans; D008107:Liver Diseases / Q000097:blood*; D008516:Medicine, Chinese Traditional; D015032:Zinc / Q000097:blood*
chemical_list: D003300:Copper; D015032:Zinc