| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | stent [pn reflx] in [art] | 6 |
|
| 2 | stent [pn reflx] in [art] | 6 |
|
| 3 | stent [pn reflx] in the | 5 |
|
| 4 | stent [pn reflx] in the | 5 |
|
