Altmann, V., Groen, B., Hart, A., Vanlandewijck, Y., & Keijsers, N. (2018). Classifying trunk strength impairment according to the activity limitation caused in wheelchair rugby performance. Scandinavian journal of medicine & science in sports, 28(2), S. 649-657. doi:10.1111/sms.12921

Altmann, V.C., B.E Groen, A.L Hart, Y.C Vanlandewijck, and N.L.W Keijsers. "Classifying Trunk Strength Impairment According to the Activity Limitation Caused in Wheelchair Rugby Performance." Scandinavian Journal of Medicine & Science in Sports 28, no. 2 (2018): S. 649-657.

Altmann, V.C., et al. "Classifying Trunk Strength Impairment According to the Activity Limitation Caused in Wheelchair Rugby Performance." Scandinavian Journal of Medicine & Science in Sports 28.2 (2018): S. 649-657.