TY  - RPRT
TI  - Dose-response relation between physical activity and sick leave.
AU  - K I Proper
AU  - S G van den Heuvel
AU  - E M De Vroome
AU  - V H Hildebrandt
AU  - A J Van der Beek
PY  - 2006
DO  - 10.1136/bjsm.2005.022327
UR  - https://pubmed.ncbi.nlm.nih.gov/16432007/
ID  - 16432007
ER  -