| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have had [adj] [noun] | 82 |
|
| 2 | patients who have [adj] [noun] | 21 |
|
| 3 | patients who have had [adj] | 15 |
|
| 4 | patients who have had [noun] | 6 |
|
| 5 | patients have had [adj] [noun] | 6 |
|
