Results 271 to 273 of about 8,034,760 (273)
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BMJ
, 1965
openaire
copy doi
(10.1136/bmj.2.5452.1)
openaccessbutton.org (pdf)
+1 more source
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Occupational health & safety (Waco, Tex.)
, 2007
openaire
pubmed.ncbi.nlm.nih.gov
+1 more source
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2013
openaire
research.ou.nl
+1 more source
pedometer
physical activity
heart rate
energy expenditure
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