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The Epidemiology of Walking for Physical Activity in the United States
EYLER, AMY A., BROWNSON, ROSS C., BACAK, STEPHEN J., HOUSEMANN, ROBYN A.Volume:
35
Language:
english
Journal:
Medicine & Science in Sports & Exercise
DOI:
10.1249/01.mss.0000084622.39122.0c
Date:
September, 2003
File:
PDF, 172 KB
english, 2003