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- George Nigh Rehabilitation Institute
- City: Okmulgee, Oklahoma
- Website: None listed
- Grady Memorial Hospital
- City: Chickasha, Oklahoma
- Website: http://www.gradymem.org
- Great Plains Regional Medical Center
- City: Elk City, Oklahoma
- Website: http://www.gprmc-ok.com
- Griffin Memorial Hospital
- City: Norman, Oklahoma
- Website: http://ok.gov/odmhsas/Mental_Health_/Crisis_Services/Griffin_Memorial_Hospital/
Read more about this topic: List Of Hospitals In Oklahoma