Møller, N. C., Tarp, J., Kamelarczyk, E. F., Brønd, J. C., Klakk, H., & Wedderkopp, N. (2014). Do extra compulsory physical education lessons mean more physically active children - findings from the childhood health, activity, and motor performance school study Denmark (The CHAMPS-study DK). BioMed Central.

Møller, Niels Christian, Jakob Tarp, Eva Friis Kamelarczyk, Jan Christian Brønd, Heidi Klakk, και Niels Wedderkopp. Do Extra Compulsory Physical Education Lessons Mean More Physically Active Children - Findings From the Childhood Health, Activity, and Motor Performance School Study Denmark (The CHAMPS-study DK). BioMed Central, 2014.

Møller, Niels Christian, et al. Do Extra Compulsory Physical Education Lessons Mean More Physically Active Children - Findings From the Childhood Health, Activity, and Motor Performance School Study Denmark (The CHAMPS-study DK). BioMed Central, 2014.