The public health impact of anxiety disorders: a WHO perspective
Comorbidity as a fundamental feature of generalized anxiety disorders: results from the National Comorbidity Study (NCS)
Generalized anxiety disorder and its comorbidities: disputes at the boundaries
DSM-IV and beyond: what is generalized anxiety disorder?
On the one aspect of generalized anxiety
Psychic and somatic anxiety: worries, somatic symptoms and physiological changes
Are sleep disturbances risk factors for anxiety, depressive and addictive disorders?
Ethology of anxiety in phylogeny and ontogeny
Opponent processes and anxiety: toward a neurophysiological formulation
Towards a genetics of anxious temperament: from mice to men
Toward a definition of generalized anxiety disorder as an anxious temperament type
Animal models sensitive to anti-anxiety agents
Anxiety and increased aggression as pacemakers of depression
Cognition and anxiety: the cognitive effects of anti-anxiety medication
Benzodiazepine dependence and withdrawal: a review of the syndrome and its clinical management
Recent clinical trials of hydroxyzine in generalized anxiety disorder
The nature and duration of treatment for GAD