title: The mechanism of photochemical smog formation.
mesh_terms: D000397:Air Pollution; D002140:California; D008131:London; D009589:Nitrogen Oxides; D010126:Ozone; D010777:Photochemistry; D012905:Smog; D001335:Vehicle Emissions
chemical_list: D009589:Nitrogen Oxides; D012905:Smog; D001335:Vehicle Emissions; D010126:Ozone