| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | after [art] [noun] of symptoms | 11 |
|
| 2 | after [art] [noun sg] of symptoms | 11 |
|
| 3 | after the [noun] of symptoms | 11 |
|
| 4 | after [art] onset of symptoms | 10 |
|
| 5 | after [art] onset of symptoms | 10 |
|
