Fig. 14From: Concentration, sources and health effects of silica in ambient respirable dust of Jharia Coalfields Region, Indiaa A normal chest X-ray, b and chest X-ray after silicosis. Chest X-ray after silicosis shows multiple nodules (arrows) caused by silicosis. C—collar bone; L—lungs; H—heart; V—vertebrae [26]Back to article page