Laura Ballester et al. (August 28, 2019) Accuracy of online survey assessment of mental disorders and suicidal thoughts and behaviors in Spanish university students. PLoS ONE
L. Manea, S. Gilbody, D. McMillan (January 2015) A diagnostic meta-analysis of the Patient Health Questionnaire-9 (PHQ-9) algorithm scoring method as a screen for depression. General Hospital Psychiatry
K. Wittkampf et al. (July 2007) Diagnostic accuracy of the mood module of the Patient Health Questionnaire. General Hospital Psychiatry
K. Wittkampf et al. (September 2009) The accuracy of Patient Health Questionnaire-9 in detecting depression and measuring depression severity in high-risk groups. General Hospital Psychiatry
R. Gibbons et al. (July 2013) The computerized adaptive diagnostic test for major depressive disorder (CAD-MDD). Journal of Clinical Psychiatry