Nilsson, A., Andersen, L. B., Ommundsen, Y., Froberg, K., Sardinha, L. B., Piehl-Aulin, K., & Ekelund, U.
2009
Correlates of objectively assessed physical activity and sedentary time in children: a cross-sectional study (The European Youth Heart Study)
Bmc Public Health
9(1)
322
10.1186/1471-2458-9-322