title: PARTICULATE SULFATES IN PITTSBURGH AIR.
mesh_terms: D000397:Air Pollution; D001699:Biometry; D002140:California; D002623:Chemistry Techniques, Analytical; D031314:Geraniaceae; D006168:Guinea Pigs; D010414:Pennsylvania; D013223:Statistics as Topic; D013431:Sulfates
chemical_list: D013431:Sulfates
keywords: AIR POLLUTION; CALIFORNIA; CHEMISTRY, ANALYTICAL; GUINEA PIGS; PENNSYLVANIA; STATISTICS; SULFATES