| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] district health authorities | 7 |
|
| 2 | [prep] [art] district health authorities | 7 |
|
| 3 | [art] [adj] district health authorities | 8 |
|
| 4 | [art] [num] district health authorities | 6 |
|
