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Zimmermann-Sloutskis, Dorith; Zimmermann, Erwin; Wanner, Miriam.; Mäder, Urs; Martin, Brian W. (2009). Sport activity in children aged 5 to 13 years in the Swiss Household Panel 2007 – levels and relationship with parents' behaviour Schweizerische Zeitschrift für Sportmedizin und Sporttraumatologie, 57(2), pp. 69-71. Rubmedia
