title: Trace-element contamination in biopsies of the liver.
mesh_terms: D001707:Biopsy, Needle; D003201:Computers; D003300:Copper / Q000032:analysis; D006801:Humans; D008099:Liver / Q000032:analysis*; D008345:Manganese / Q000032:analysis; D011868:Radioisotopes; D013053:Spectrophotometry; D014131:Trace Elements / Q000032:analysis*
chemical_list: D011868:Radioisotopes; D014131:Trace Elements; D008345:Manganese; D003300:Copper