Cite
HARVARD Citation
Hendrick, D. et al. (1992). "Breathing" coal mines and surface asphyxiation from stythe (black damp).. BMJ. 305 (6852), pp. 509-510. [Online].
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Hendrick, D. et al. (1992). "Breathing" coal mines and surface asphyxiation from stythe (black damp).. BMJ. 305 (6852), pp. 509-510. [Online].