TY  - RPRT
TI  - Educational differences in leisure-time physical inactivity: a descriptive and explanatory study.
AU  - M Droomers
AU  - C T Schrijvers
AU  - H van de Mheen
AU  - J P Mackenbach
PY  - 1998
DO  - 10.1016/s0277-9536(98)00272-x
UR  - https://pubmed.ncbi.nlm.nih.gov/9877337/
ID  - 9877337
ER  -