Figure 1From: Role of metal oxide nanoparticles in histopathological changes observed in the lung of weldersHistological observation of lung tissue sections. Representative optical microscopy images of lung tissue sections from a Control and a Welder. Serial sections were stained with hematoxylin-eosin-saffron (HES), CD68 or Perls. Scale bar: 100 μm. Inset: higher magnification of the welder sample.Back to article page