Motivation and planning as mediators of the relation between social support and physical activity among U.S. adolescents: a nationally representative study

Kaigang Li, Ronald J Iannotti, Denise L Haynie, Jessamyn G Perlus, Bruce G Simons-Morton
International Journal of Behavioral Nutrition and Physical Activity 2014, 11:42 (21 March 2014)

Leave a Reply