| obstruction → Causes → pain | 0.49 | |
| obstruction → Causes → snoring | 0.19 | |
| obstruction → Causes → a heart attack | 0.16 | |
| obstruction → Causes → chest pain | 0.16 | |
| obstruction → Causes → cough | 0.16 | |
| obstruction → Causes → delay | 0.16 | |
| obstruction → Causes → impaired breathing | 0.16 |