Research Interest: Epidemiological research on functional gastrointestinal diseases in children and adolescents Physiological studies of gastric myoelectrical activity and gastric emptying in children with abdominal pain related functional gastrointestinal diseases. Epidemiology and molecular epidemiology of viral gastroenteritis in Sri Lanka Nonalcoholic steatohepatitis in children and adults Inflammatory bowel disease in Sri Lanka
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