Lara J. Akinbami (National Center for Health Statistics),Xiang Liu (National Center for Health Statistics),Jeanne E. Moorman (National Center for Environmental Health),Cathy Bailey (National Center for Environmental Health),Hatice S. Zahran (National Center for Environmental Health),Michael King (National Center for Environmental Health),Carol A. Johnson (National Center for Environmental Health) 2012: National Surveillance of Asthma: United States, 2001-2010, <http://www.cdc.gov/nchs/data/series/sr_03/sr03_035.pdf>