title: What is the meaning of non-linear dose-response relationships between blood lead concentrations and IQ?
authors.forename: Ingvar A
authors.initials: IA
authors.lastname: Bergdahl
mesh_terms: D004305:Dose-Response Relationship, Drug; D006801:Humans; D007360:Intelligence / Q000187:drug effects*; D007854:Lead / Q000097:blood* / Q000633:toxicity*; D017711:Nonlinear Dynamics
chemical_list: D007854:Lead