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3. Agency of Healthcare Research and Quality. (2019b). International use of SOPS. https://www.ahrq.gov/sops/international/index.html
4. Agency of Healthcare Research and Quality. (2019c). SOPS Hospital survey items and composite measures version 2.0. https://www.ahrq.gov/sites/default/files/wysiwyg/sops/surveys/hospital/hospitalsurvey2-items.pdf
5. AHRQ Hospital Survey on Patient Safety Culture: User Guide. https://www.ahrq.gov/sites/default/files/wysiwyg/professionals/quality-patient-safety/patientsafetyculture/hospital/userguide/hospitalusersguide.pdf