title: Screening methods for lead compared: ethanol paper-disc extraction method vs ethyl acetate extraction method.
mesh_terms: D000085:Acetates; D000431:Ethanol; D006801:Humans; D007854:Lead / Q000097:blood*; D011166:Porphyrins / Q000097:blood*; D011524:Protoporphyrins / Q000097:blood*
chemical_list: D000085:Acetates; D011166:Porphyrins; D011524:Protoporphyrins; D007854:Lead; D000431:Ethanol; C007650:ethyl acetate