TI  - PRevalence of self-reported physically active adults—united states, 2007
PT  - JOUR
DP  - 2009
TA  - JAMA
pages = {926-927},
VI  - 301
IP  - 9
AID  - 10.1001/jama.2009.246 [doi]
4100  - http://dx.doi.org/10.1001/jama.2009.246
SO  - JAMA March 4, 2009 301(9):926