@article{articlef05e39fc,
title   = {Accuracy of Patient Health Questionnaire-9 (PHQ-9) for screening to detect major depression: individual participant data meta-analysis},
author = {Levis, Brooke and Benedetti, Andrea and Thombs, Brett D and Chagas, Marcos Hortes Nisihara and Loureiro, Sonia Regina and Osório, Flávia de Lima},
year = {2019},
doi = {10.1136/bmj.l1781},
journal   = {The BMJ}
}