Assessment of the role of capsule endoscopy in management ofobscure gastrointestinal bleeding

Diagnostic and therapeutic role of endosonography in gastrointestinal diseases

Study of the lower gastrointestinal endoscopic findings in cirrhotic patients with portal hypertension

Role of three dimentionalultrasonography in diagnosis ofdifferent colonic diseases

Role of endoscopic retrograde cholangio-pancreatography (ercpj in the management ofhepato-biliary and pancreatic disorders

The role of cytokines in ulcerative colitis

Portal hypertensive enteropathy :Enteroscopic, histologic and radiologicevaluation in patients with chronic liver disease

Study of presence of active intestinal Schistosomiasis inpatients undergoing colonoscopy due to differentcomplaintsa

Chromoendoscopy of the gasterointestinal tract

Acute upper gastrointestinal bleeding