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. 2022 Jul 2;11(3):971–985. doi: 10.1007/s40122-022-00412-x

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© The Author(s) 2022

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Fig. 2 — The radiofrequency puncture needle guided by CT is punctured to the rear of 1/3 on the intervertebral foramen (A); the puncture needle located in the intervertebral foramen under the three-dimensional reconstruction of CT (B)