"About the National Health and Nutrition Examination Survey". CDC/National Center for Health Statistics. U.S. Department of Health & Human Services. Retrieved 18 March 2020. https://www.cdc.gov/nchs/nhanes/about_nhanes.htm
"NHANES - History". www.cdc.gov. 8 May 2019. Retrieved 30 January 2024. https://www.cdc.gov/nchs/nhanes/history.htm
Ozonoff, David (2014). "Biomonitoring". In Rogers, Kara (ed.). Encyclopædia Britannica Online. Encyclopædia Britannica, Inc. /wiki/Encyclop%C3%A6dia_Britannica_Online
"NCHS Data Linkage -Activities". www.cdc.gov. 8 July 2021. https://www.cdc.gov/nchs/data-linkage/index.htm