title: Further research needed for severe and chronic depression in specialist mental health services.
authors: Division of Psychiatry, University College of London, London W1T 7NF, UK. Electronic address: glyn.lewis@ucl.ac.uk.
authors: Glyn
authors: G
authors: Lewis
mesh_terms: D003362:Cost-Benefit Analysis; D003863:Depression; D003866:Depressive Disorder; D006801:Humans; D008603:Mental Health; D008605:Mental Health Services