Meta-Analysis: Accuracy of Patient Health Questionnaire-9 (PHQ-9) for Screening to Detect Major Depression

Accuracy of Patient Health Questionnaire-9 (PHQ-9) for screening to detect major depression: individual participant data meta-analysis – The BMJ (free)

Commentaries: The accuracy of the Patient Health Questionnaire-9 for detecting major depression – The BMJ Opinion (free) AND Screening tools for depression offer value when combined with an informed shared decision process – The BMJ Opinion (free) AND Using the Patient Health Questionnaire-9 to Screen for Major Depression – NEJM Journal Watch (free)