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Factor structure and measurement invariance across various demographic groups and over time for the PHQ-9 in primary care patients in Spain
González-Blanch C,
Medrano LA,
Muñoz-Navarro R,
Ruíz-Rodríguez P,
Moriana JA,
et al.
(2018)
Factor structure and measurement invariance across various demographic groups and over time for the PHQ-9 in primary care patients in Spain.
PLOS ONE 13(2): e0193356.
https://doi.org/10.1371/journal.pone.0193356