Is the association between physical activity and healthcare utilization affected by self-rated health and socio-economic factors?
Crossref DOI link:
Update policy: https://doi.org/10.1007/SPRINGER_CROSSMARK_POLICY
Ekvall Hansson, Eva
unspecified valid from 2015-08-01
18 May 2015
22 July 2015
1 August 2015