%0 Journal Article %A J Auvinen %A T Tammelin %A S Taimela %A P Zitting %A J Karppinen %T ASSOCIATIONS OF PHYSICAL ACTIVITY AND INACTIVITY WITH LOW BACK PAIN IN ADOLESCENTS %D 2009 %J Orthopaedic Proceedings %P 285-285 %V 91-B %N SUPP_II %R 10.1302/0301-620X.91BSUPP_II.0910285b %U https://doi.org/10.1302/0301-620X.91BSUPP_II.0910285b %K