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. 1956 Oct;13(4):231-50.
doi: 10.1136/oem.13.4.231.

The prevalence of coalworkers' pneumoconiosis: its measurement and significance

The prevalence of coalworkers' pneumoconiosis: its measurement and significance

P J CHAPMAN et al. Br J Ind Med. 1956 Oct.
No abstract available

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References

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