title: [Italian Society of Reference Values 4th National Congress. 14-16 December 2000].
mesh_terms: D002624:Chemistry, Clinical / Q000592:standards*; D006801:Humans; D012016:Reference Values; D014131:Trace Elements / Q000032:analysis*; D015262:Xenobiotics / Q000032:analysis*
chemical_list: D014131:Trace Elements; D015262:Xenobiotics