Investigation of fine chalk dust particles' chemical compositions and toxicities on alveolar macrophages in vitro - ScienceDirect
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Chalk analysis
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Chalking It Up to Experience: Is Inhaling Chalk Dust Dangerous?
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Chalk under a Microscope - Procedures and Observations
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Type, morphology and distribution of clay particles in chalk. (A) and... | Download Scientific Diagram
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Effects of coarse chalk dust particles (2.5–10 μm) on respiratory burst and oxidative stress in alveolar macrophages | SpringerLink
SEM image showing even particle size and shape of chalk powder | Download Scientific Diagram
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