Pneumoperitoneum in a perforated gastric ulcer | BMJ Case Reports
Clinical presentation and surgical management of perforated peptic ulcer in a tertiary hospital in Mogadishu, Somalia: a 5-year retrospective study | World Journal of Emergency Surgery | Full Text
Peptic Ulcer Disease | Concise Medical Knowledge
Perforated peptic ulcer. - Abstract - Europe PMC
Surgical outcome of management of perforated peptic ulcer لتدبير القرحة الهضمية املثقوبة النتيج