| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] in [no cls] | 108 |
|
| 2 | the in [no cls] | 68 |
|
| 3 | [art] in vitro | 39 |
|
| 4 | an in [no cls] | 38 |
|
| 5 | [art] in vivo | 36 |
|
| 6 | [art] in situ | 19 |
|
