1. Diagnostic and Statistical Manual of Mental Disorders,1994
2. An inventory for measuring clinical anxiety: Psychometric properties;Beck;Journal of Consulting and Clinical Psychology,1988
3. Relationship between the Beck Anxiety Inventory and the Hamilton Anxiety Rating Scale with anxious outpatients;Beck;Journal of Anxiety Disorders,1991
4. Don’t worry and beware of white bears: Thought suppression in anxiety patients;Becker;Journal of Anxiety Disorders,1998
5. The nature, origins, and function of worry;Borkovec,1994