| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [v-ing] factor | 318 |
|
| 2 | platelet [v-ing] factor | 310 |
|
| 3 | [noun] activating factor | 310 |
|
| 4 | platelet [v-ing] factor | 310 |
|
