Randomized Controlled Trial
Depression, anxiety, and somatoform disorders: vague or distinct categories in primary care? Results from a large cross-sectional study.
J Psychosom Res. 2009 Sep 1;67(3):189-97.
Article
Outcome of patients with major depressive disorder after serious suicide attempt.
J Clin Psychiatry. 2009 Oct 1;70(10):1372-8.
Comparative Study
The PHQ-8 as a measure of current depression in the general population.
J Affect Disord. 2009 Apr 1;114(1-3):163-73.