Assessing the validity of the PHQ-9, HADS, BDI-II and QIDS-SR₁₆ in measuring severity of depression in a UK sample of primary care patients with a diagnosis of depression /
University of Aberdeen.
NHS Quality Improvement Scotland.
At head of cover: University of Aberdeen, NHS Quality Improvement Scotland.
Includes bibliographical references (pages 43-45).
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Description from online resource; title from PDF caption title (NHS Quality Improvement Scotland, viewed 19 January 2021)
Depression, Mental