DOI:
10.1055/s-00000022
Das Gesundheitswesen
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References
Löwe B, Wahl I, Rose M. et al.
A 4 item measure of depression and anxiety: Validation and standardization of the Patient Health Questionnaire-4 (PHQ-4) in the general population.
Journal of Affective Disorders 2010;
122: 86-95
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