Public health (24 items)

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1. Light micrograph of lung tissue of a rat exposed to Pigment A TiO2 particles (5 mg/kg) at 3 months post-instillation exposure © Warheit et al; licensee BioMed Central Ltd.

2. Microscopic analysis of primary human alveolar macrophages engulfing glass fibers © Zeidler-Erdely et al; licensee BioMed Central Ltd.

3. Lung histopathology from rats 21 days after a single oropharyngeal aspiration exposure to saline vehicle containing 0.1% Pluronic F-68 (A, B), carbon black ultrafine particles (C, D), aggregates of single walled carbon nanotubes, SWCNT (E, F), or vanadium © Mangum et al; licensee BioMed Central Ltd.

4. Aß42 accumulation in frontal cortex and hippocampus © Peters et al; licensee BioMed Central Ltd.

5. Scanning electron microscopy (SEM) and energy-dispersive X-ray analysis (EDAX) of the coal sample containing the most sulphur (NIST # 2685b) © Cohn et al; licensee BioMed Central Ltd.

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