Patients' reports or clinicians' assessments: which are better for prognosticating?
Paddy Stone, Bridget Gwilliam, Vaughan Keeley, Chris Todd, Matthew Gittins, Laura Kelly, Stephen Barclay, Chris Roberts
BMJ Supportive & Palliative Care Sep 2012, 2 (3) 219-223; DOI: 10.1136/bmjspcare-2012-000216