| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ' [noun] to [noun] | 204 |
|
| 2 | [unc] exposure to [noun] | 15 |
|
| 3 | ['s] exposure to [noun] | 15 |
|
| 4 | ' exposure [prep] [noun] | 5 |
|
| 5 | ' exposure [prep] [noun] | 5 |
|
| 6 | ' exposure to [noun] | 5 |
|
| 7 | ' exposure to [noun] | 5 |
|
