TY  - RPRT
TI  - A simplified method for assessing physical activity level values for a country or study population.
AU  - M T L Vasconcellos
AU  - L A Anjos
PY  - 2003
DO  - 10.1038/sj.ejcn.1601638
UR  - https://pubmed.ncbi.nlm.nih.gov/12879098/
ID  - 12879098
ER  -