Metropolitan Tulsa has 25 hospitals providing a full range of medical treatment including Tulsa Life Flight, 24-hour emergency helicopter service to and from the region's hospitals. Six general hospitals serve Tulsa: Doctors' Medical Center, Hillcrest Medical Center, St. Francis Hospital, St. John Medical Center, Children's Medical Center, and Tulsa Regional Medical Center and Cancer Treatment Center. Most have medical school affiliation and serve as approved learning centers for medical interns and residents. Treatment and consultation are offered in virtually all fields of medicine, including such specialties as burn care, open-heart surgery, cardiac rehabilitation, genetic counseling, and neonatal intensive care. Hospice and long-term-care facilities are also available.