The epidemiology of worry and generalized anxiety disorder / Robert M. Holaway, Thomas L. Rodebaugh and Richard G. Heimberg
Worry and rumination : styles of persistent negative thinking in anxiety and depression / Costas Papageorgiou
Worry in psychopathology / Christine Purdon and Jennifer Harrington
Worry and information-processing / Gerry Matthews and Gregory J. Funke
Worry in older adults / Julie L. Wetherell
Worry in childhood and adolescence / Sam Cartwright-Hatton
The Penn State Worry Questionnaire (PSWQ) / Helen M. Startup and Thane M. Erickson
The anxious thoughts inventory and related measures of metacognition and worry / Adrian Wells
Assessment of generalized anxiety disorder / Cynthia L. Turk and Andrew T. Wolanin
The catastrophizing interview procedure / Graham C.L. Davey
The metacognitive model of worry and generalized anxiety disorder / Adrian Wells
A cognitive model of generalized anxiety disorder : the role of intolerance of uncertainty / Naomi Koerner and Michel J. Dugas
A mood-as-input account of perseverative worrying / Graham C.L. Davey
The cognitive avoidance theory of worry / Nicholas J. Sibrava and T.D. Borkovec
Metacognitive therapy for worry and generalized anxiety disorder / Adrian Wells
Applied relaxation and cognitive therapy for pathological worry and generalized anxiety disorder / T.D. Borkovec
A cognitive-behavioural treatment targeting intolerance of uncertainty / Melisa Robichaud and Michel J. Dugas
Pharmacological treatments for worry : focus on generalized anxiety disorder / Ian M. Anderson and Marisha E. Palm
Case histories : treating worry across disorders / Paul King
The efficacy of psychological treatments for generalized anxiety disorder / Peter L. Fisher
Predictors of treatment outcome / Robert C. Durham.