Diagnostic accuracy of the Depression subscale of the Hospital Anxiety and Depression Scale (HADS-D) for detecting major depression: protocol for a systematic review and individual patient data meta-analyses
Brett D Thombs, Andrea Benedetti, Lorie A Kloda, Brooke Levis, Marleine Azar, Kira E Riehm, Nazanin Saadat, Pim Cuijpers, Simon Gilbody, John P A Ioannidis, Dean McMillan, Scott B Patten, Ian Shrier, Russell J Steele, Roy C Ziegelstein, Carmen G Loiselle, Melissa Henry, Zahinoor Ismail, Nicholas Mitchell, Marcello Tonelli
BMJ Open Apr 2016, 6 (4) e011913; DOI: 10.1136/bmjopen-2016-011913