AJDRAJNR - American Journal of Neuroradiology

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FIG 4. Infiltration of the gas mixture.

A, Preliminary CT measurements of L4-L5 disk herniation on the left side.

B, Correct positioning of the needle.

C, Distribution of the gas mixture.





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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X