| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [v-ing] factor | 321 |
|
| 2 | [noun] [v-ing] factor | 318 |
|
| 3 | platelet [v-ing] factor | 311 |
|
| 4 | [noun] activating factor | 311 |
|
| 5 | platelet [v-ing] factor | 311 |
|
| 6 | [noun] [v-ing] factors | 6 |
|
