Physical Activity Levels and Patterns of 9- and 15-yr-Old European Children
Chris Riddoch
,
Lars Bo Andersen
,
Niels Wedderkopp
,
Chris Riddoch
,
Lars Bo Andersen
,
Niels Wedderkopp
,
Maarike Harro
,
Lena Klasson-Heggebø
,
Luís B. Sardinha
,
Ashley R Cooper
,
Ulf Ekelund
2004
Medicine & Science in Sports & Exercise
883 citations