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Risk of Depression


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Source: PHQ-9 copyright 2005, Pfizer, permission granted. The PHQ-9 assessment is adapted from PRIME MD TODAY and developed by RL Spitzer, JBW Williams, K Kroenke, et al.

ByHealthwise Staff
Primary Medical ReviewerKathleen Romito, MD - Family Medicine
Specialist Medical ReviewerLisa S. Weinstock, MD - Psychiatry
Last RevisedMarch 18, 2011

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