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. 2022 Feb 6;12(2):420. doi: 10.3390/diagnostics12020420

Figure 4.

Figure 4

Illustrative MRS with a comparison of healthy and degenerated discs (courtesy of Aclarion, Inc., formerly Nocimed, Inc.). Please note the reduction of PG and the increase in LAC in the degenerated disc. CARB—carbohydrate/collagen, LAC—lactic acid, MRS—magnetic resonance spectroscopy, PG—proteoglycan.