Failure of post-action stages of the transtheoretical model to predict change in regular physical activity: a multiethnic cohort study
Annals of Behavioral Medicine (2009) - Comment
pubmed: 19727997  doi: 10.1007/s12160-009-9113-8  issn: 1532-4796  issn: 0883-6612 

Rod K. Dishman, Nathaniel J. Thom, Cherie R. Rooks, Robert W. Motl, Caroline Horwath, Claudio R. Nigg