Centers for Disease Control and Prevention (CDC), National Center for Chronic Disease Control and Prevention. (2003). Physical activity and good nutrition: Essential elements to prevent chronic diseases and obesity. Retrieved July 12, 2003, from http://www.cdc.gov/nccd-php/aag/aag_dnpa.htm
2.
HannahS.Y., HunterA., KemperK., & WilloughbyD. (2002). Obesity: Big gains from little losses.Clinical Excellence for Nurse Practitioners, 6(1), 11–19.