title: Epidemiological approach to nickel carcinogenicity--uses and limitation.
mesh_terms: D004812:Epidemiologic Methods; D006801:Humans; D008175:Lung Neoplasms / Q000139:chemically induced* / Q000517:prevention & control; D008452:Maximum Allowable Concentration; D008669:Metallurgy; D009532:Nickel / Q000633:toxicity*; D009784:Occupational Diseases / Q000139:chemically induced* / Q000517:prevention & control; D012306:Risk
chemical_list: D009532:Nickel