| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | contribution to [adj] [noun sg] | 209 |
|
| 2 | [noun] to medical [noun sg] | 41 |
|
| 3 | [noun sg] to medical [noun sg] | 34 |
|
| 4 | contribution [prep] medical [noun sg] | 6 |
|
| 5 | contribution [prep] medical [noun sg] | 6 |
|
| 6 | contribution to medical [noun sg] | 5 |
|
| 7 | contribution to medical [noun] | 5 |
|
| 8 | contribution to medical [noun sg] | 5 |
|
