TY  - RPRT
TI  - Physical activity among Dutch workers--differences between occupations.
AU  - Karin I Proper
AU  - Vincent H Hildebrandt
PY  - 2006
DO  - 10.1016/j.ypmed.2006.03.017
UR  - https://pubmed.ncbi.nlm.nih.gov/16684560/
ID  - 16684560
ER  -