@article{article, title = {{Accuracy of the Patient Health Questionnaire-9 for screening to detect major depression : updated systematic review and individual participant data meta-analysis}}, publisher = {{BMJ Publishing Group}}, url = {{}}, year = {{2021}}, month = {{10}}, author = {{Negeri ZF and Levis B and Sun Y and He C and Krishnan A and Wu Y and Bhandari PM and Neupane D and Brehaut E and Benedetti A and Thombs BD et al}}, doi = {{10.1136/bmj.n2183}}, volume = {{375}}, journal = {{BMJ}}, issue = {{8309}}, note = {{Accessed on 2025/08/15}}}