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Grey correlation between the common peaks of flavonoids from Glycyrrhiza uralensis Fisch. and ammonia-induced cough test.
| Peak number | Similarity |
|---|---|
| 1 | 0.5822 |
| 2 | 0.4822 |
| 3 | 0.6050 |
| 4 | 0.6160 |
| 5 | 0.6050 |
| 6 | 0.5701 |
| 7 | 0.5898 |
| 8 | 0.6709 |
| 9 | 0.5905 |
| 10 | 0.5425 |
| 11 | 0.5637 |
| 12 | 0.5987 |
| 13 | 0.5680 |
| 14 | 0.6375 |
| 15 | 0.5281 |
