Fibrosis and collagen in rats' lungs produced by etched and unetched free silica dusts.
D000818:Animals; D003094:Collagen; D004391:Dust; D051381:Rats; D012822:Silicon Dioxide; D012829:Silicosis
D004391:Dust; D012822:Silicon Dioxide; D003094:Collagen
SILICOSIS/experimental