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Zahner, Lukas; Puder, Jardena J.; Roth, Ralf; Schmid, Marco; Guldimann, Regula; Pühse, Uwe; Knöpfli, Martin; Braun-Fahrländer, Charlotte; Marti, Bernard; Kriemler, Susi (2006). A school-based physical activity program to improve health and fitness in children aged 6-13 years ("Kinder-Sportstudie KISS"): study design of a randomized controlled trial BMC Public Health, 6(147), p. 147. BioMed Central 10.1186/1471-2458-6-147
