Comparing positive and negative beliefs about worry in predicting generalized anxiety disorder symptoms
Canadian Journal of Behavioural Science / Revue canadienne des sciences du comportement (2013) - Comment
doi: 10.1037/a0027623  issn: 1879-2669  issn: 0008-400x 

Alexander M. Penney, Dwight Mazmanian, Caitlin Rudanycz