Resolution: standard / high
Figure 9.
SEM image showing the dust deposited in the lung cancer tissue of one 56-year old housewife who used C1 coal for cooking and heating, and the EDX spectra of the numbered spots (1 and 3). The #1 and #3 particles contain free silica.
Tian et al. BMC Public Health 2008 8:398 doi:10.1186/1471-2458-8-398
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