Occupational differences among employed adults who met 2008 federal guidelines for both aerobic and

Blackwell, Debra L., author.
Hyattsville, MD : U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, 2016.

State variation in meeting the 2008 federal guidelines for both aerobic and muscle-strengthening act

Blackwell, Debra L., author.
Hyattsville, MD : U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, 2018.