From "Effectiveness of an Intervention To Improve Primary Care Provider Recognition of Depression, July/August 2001. 4:163-171.

Figure 1. Study design. PHQ = Patient Health Questionnaire
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From "Effectiveness of an Intervention To Improve Primary Care Provider Recognition of Depression, July/August 2001. 4:163-171.

Figure 1. Study design. PHQ = Patient Health Questionnaire
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