Disclaimer:
This tool should be used to supplement, not to replace,
clinical judgment.
Reference:
PHQ-9 (Patient Health Questionnaire–9). Available from:
https://www.mdcalc.com/calc/1725/phq9-patient-health-questionnaire9 . Accessed on
July 17, 2025.
https://www.phqscreeners.com/ . Accessed on July 17, 2025.