Diagnostic accuracy of the Geriatric Depression Scale-30, Geriatric Depression Scale-15, Geriatric Depression Scale-5 and Geriatric Depression Scale-4 for detecting major depression: protocol for a systematic review and individual participant data meta-analysis.
Andrea BenedettiYin WuBrooke LevisMachelle WilcheskyJill BoruffJohn P A IoannidisScott B PattenPim CuijpersIan ShrierSimon GilbodyZahinoor IsmailDean McMillanNicholas MitchellRoy C ZiegelsteinBrett D ThombsPublished in: BMJ open (2018)
CRD42018104329.