Spine
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Markov model. ⋯ 4.
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Prospective cohort study. ⋯ 2.
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A retrospective clinical study. ⋯ 3.
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This was a correlational study. ⋯ 2.
Markov model. ⋯ 4.
Prospective cohort study. ⋯ 2.
A retrospective clinical study. ⋯ 3.
This was a correlational study. ⋯ 2.