title: The blood lead threshold.
mesh_terms: D000328:Adult; D000367:Age Factors; D000818:Animals; D001921:Brain / Q000187:drug effects; D002648:Child; D006801:Humans; D007854:Lead / Q000097:blood* / Q000494:pharmacology / Q000633:toxicity; D007855:Lead Poisoning / Q000097:blood*; D008452:Maximum Allowable Concentration; D051379:Mice; D009790:Occupations; D000623:Porphobilinogen Synthase / Q000037:antagonists & inhibitors; D051381:Rats; D013997:Time Factors
chemical_list: D007854:Lead; D000623:Porphobilinogen Synthase