![](/img/cover-not-exists.png)
A study of the diagnostic accuracy of the PHQ-9 in primary care elderly
Elizabeth Phelan, Barbara Williams, Kathryn Meeker, Katie Bonn, John Frederick, James LoGerfo, Mark SnowdenVolume:
11
Language:
english
DOI:
10.1186/1471-2296-11-63
Date:
December, 2010
File:
PDF, 261 KB
english, 2010