Effect of modifications of the surface of quartz on its fibrogenic properties in the lungs of rats.  1.  Quartz leached with ringer's solution.  2.  Quartz etched with hydrofluoric acid.  3.  Quartz coated with coal extract.
D000818:Animals; D003031:Coal; D006858:Hydrofluoric Acid; D007552:Isotonic Solutions; D008168:Lung; D011658:Pulmonary Fibrosis; D011791:Quartz; D051381:Rats; D000077331:Ringer's Solution
D003031:Coal; D007552:Isotonic Solutions; D011791:Quartz; D000077331:Ringer's Solution; D006858:Hydrofluoric Acid
PULMONARY FIBROSIS/experimental; QUARTZ