title: Health examination with liver function tests of lead workers.
mesh_terms: D000328:Adult; D000368:Aged; D000622:Aminolevulinic Acid / Q000652:urine; D002802:Cholinesterases / Q000097:blood; D004781:Environmental Exposure; D006801:Humans; D007854:Lead; D008111:Liver Function Tests; D008669:Metallurgy; D008875:Middle Aged
chemical_list: D007854:Lead; D000622:Aminolevulinic Acid; D002802:Cholinesterases