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Morphine metabolite ratios in cerebrospinal fluid (CSF) and plasma.*
| SOURCE | GROUP | ||
|---|---|---|---|
| M3G/MOR | M6G/MOR | M6G/M3G | |
| CSF | 0.00058 ± 0.0011 | 0.00011 ± 0.00003 | 0.159 ± 0.038 |
| PLASMA | 13.9 ± 1.68 | 2.48 ± 0.30 | 0.16 ± 0.04 |
Mean ± SEM of all patients.
MOR = morphine
M3G = morphine 3 glucuronide
M6G = morphine 6 glucuronide
