Abstract
WJ Gauderman, R Urman, E Avol. N Engl J Med. 2015;372:905–913 To determine the effects of decreased air pollution in Southern California over 3 separate calendar periods from 1994 to 1998, 1997 to 2001, and 2007 to 2011. Children 11 to 15 years of age living in Southern California communities. There were 2120 children enrolled in 12 Southern California communities, and …
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