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2. Comprehensive evaluation of long-term trends in occupational exposure: Part 2. Predictive models for declining exposures
3. Comprehensive evaluation of long-term trends in occupational exposure: Part 1. Description of the database
4. A Sampling Procedure for Measuring Industrial Dust Exposure;Oldham P.;Br. J. Ind. Med.,1952
5. “The Nature of the Variability of Dust Concentrations at the Coal Face;Oldham P.;Br. J. Ind. Med.,1953