%0 Journal Article %T Environmental Correlates of Physical Activity in a Sample of Belgian Adults %A De Bourdeaudhuij, Ilse %A Sallis, James F. %A Saelens, Brian E. %J American Journal of Health Promotion %V 18 %N 1 %P 83-92 %@ 0890-1171 %D 2003-09-01 %I SAGE Publications %~ DeepDyve