Back pain reporting in young girls appears to be puberty-related

by Froberg Karsten, Bo Andersen Lars, Wedderkopp Niels, Leboeuf-Yde Charlotte
Published 2005-11-01

Correlates of objectively assessed physical activity and sedentary time in children: a cross-sectional study (The European Youth Heart Study)

by Sardinha Luis B, Froberg Karsten, Ommundsen Yngvar, Bo Andersen Lars, Nilsson Andreas, Piehl-Aulin Karin, Ekelund Ulf
Published 2009-09-01