title: Respiratory symptoms of employees of retail meat departments.
mesh_terms: D000328:Adult; D005069:Evaluation Studies as Topic; D006801:Humans; D008462:Meat-Packing Industry; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology*; D009820:Ohio; D012140:Respiratory Tract Diseases / Q000453:epidemiology*