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APA Citation
Patel, J. S., Oh, Y., Rand, K. L., Wu, W., Cyders, M. A., Kroenke, K., & Stewart, J. C. (2019). measurement invariance of the patient health questionnaire‐9 (PHQ‐9) depression screener in U.S. adults across sex, race/ethnicity, and education level: NHANES 2005–2016. Depression and anxiety, 36(9), 813–823. http://access.bl.uk/ark:/81055/vdc_100091284291.0x000025