| ulcer → Causes → pain | 0.55 | |
| ulcer → Causes → perforation | 0.48 | |
| ulcer → Causes → irritation | 0.43 | |
| ulcer → Causes → discomfort | 0.42 | |
| ulcer → Causes → severe pain | 0.33 | |
| ulcer → Causes → obstruction | 0.32 | |
| ulcer → Causes → indigestion | 0.29 | |
| ulcer → Causes → bloating | 0.22 | |
| ulcer → Causes → heartburn | 0.22 | |
| ulcer → Causes → loss | 0.16 | |
| ulcer → Causes → narrowing of the bowel | 0.16 |