TY  - RPRT
TI  - Population attributable risk: implications of physical activity dose.
AU  - C A Macera
AU  - K E Powell
PY  - 2001
DO  - 10.1097/00005768-200106001-00032
UR  - https://pubmed.ncbi.nlm.nih.gov/11427788/
ID  - 11427788
ER  -