title: A survey of mercury absorption in Johannesburg dental personnel.
mesh_terms: D003726:Dental Assistants; D003815:Dentists; D006801:Humans; D008628:Mercury / Q000652:urine; D008630:Mercury Poisoning / Q000453:epidemiology*; D013019:South Africa; D013335:Students, Dental
chemical_list: D008628:Mercury