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1st trimester exposure to air pollution, pregnancy complications & adverse birth outcomes in Allegheny County, PA. http://t.co/doOppIi19T
1st trimester exposure to air pollution, pregnancy complications & adverse birth outcomes in Allegheny County, PA. http://t.co/doOppIi19T
First trimester exposure to ambient air pollution, pregnancy complications and adverse birth outcomes in... http://t.co/ZgttlpqUar