title: Long term follow up of workers exposed to beryllium.
mesh_terms: D001607:Berylliosis / Q000517:prevention & control; D001608:Beryllium / Q000009:adverse effects*; D005500:Follow-Up Studies; D006801:Humans; D008452:Maximum Allowable Concentration; D008669:Metallurgy
chemical_list: D001608:Beryllium