Evaluation of a participatory physical activity promotion intervention in Dutch adolescents: the SALVO study. A parallel group randomised trial von Van De Kop, Joanms H, Busch, Vincent, Nauta, Joske, Uil, Anne R Den, Toussaint, Huub M, Dierx, John AJ, Verhoeff, Arnoud P, Janssen, Mirka

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