Kliem, S., Sachser, C., Lohmann, A., Baier, D., Brähler, E., Brähler, E., . . . Fegert, J. M. Psychometric evaluation and community norms of the PHQ-9, based on a representative German sample. Frontiers Media S.A.
Chicago Style (17th ed.) CitationKliem, Sören, Cedric Sachser, Anna Lohmann, Dirk Baier, Elmar Brähler, Elmar Brähler, Harald Gündel, and Jörg M. Fegert. Psychometric Evaluation and Community Norms of the PHQ-9, Based on a Representative German Sample. Frontiers Media S.A.
MLA (9th ed.) CitationKliem, Sören, et al. Psychometric Evaluation and Community Norms of the PHQ-9, Based on a Representative German Sample. Frontiers Media S.A.
Warning: These citations may not always be 100% accurate.