Data were collected in the third National Health and Nutrition Examination Survey through interviews, physical examination and standardized laboratory tests. Data were collected and analyzed by the National Center for Health Statistics in collaboration with the National Center for Environmental Health and the National Center for Chronic Disease Prevention and Health Promotion, all of the Centers for Disease Control and Prevention. The National Center for Environmental Health analyzed the blood specimens collected in the survey. Com Web Ring. All rights reserved.
Trademarks belong to their respective owners.
By using this web site, including Sales and Messageboards , you are agreeing to the Terms of Use . While the information published on this site is believed to be accurate, it is not intended to substitute for professional medical advice. If you have questions or concerns regarding your health or that of your baby, seek assistance directly from a qualified health care provider.