title: Sources of error in sampling and sample preparation for trace element analysis in medicine.
mesh_terms: D001826:Body Fluids / Q000032:analysis; D002624:Chemistry, Clinical / Q000592:standards*; D006801:Humans; D011786:Quality Control; D014018:Tissue Distribution; D014131:Trace Elements / Q000032:analysis*
chemical_list: D014131:Trace Elements