#correction  treatment of a specific defect; "the correction of his vision with eye glasses"
  supertype:  therapy  (medicine) the act of caring for someone (as by medication or remedial training etc.); "the quarterback is undergoing treatment for a knee injury"; "he tried every treatment the doctors suggested"; "heat therapy gave the best relief"
  subtype:  spinal_fusion__fusion  correction of an unstable part of the spine by joining two or more vertebrae; usually done surgically but sometimes done by traction or immobilization

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