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Fig. 1. Comparison of numeric rating scale (NRS) scores between two groups in different time points (P = 0.62). PLDD: percutaneous laser disc decompression, DiscoGel®: radiopaque gelified ethanol.
The Korean Journal of Pain 2020;33:66~72 https://doi.org/10.3344/kjp.2020.33.1.66
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