title: Screening. OH can profitably contract out.
authors: D
authors: D
authors: Mossman
mesh_terms: D003284:Contract Services / Q000191:economics* / Q000458:organization & administration; D006801:Humans; D008403:Mass Screening / Q000191:economics* / Q000458:organization & administration; D009786:Occupational Health Services / Q000191:economics* / Q000458:organization & administration