Brunei has the second-highest Human Development Index among the Southeast Asia nations, after Singapore, and is classified as a  developed country . According to the International Monetary Fund (IMF), Brunei is ranked fifth in the world by gross domestic product per capita at purchasing power parity.slam is the official religion of Brunei, specifically that of the Sunni branch, as dictated by the Mudabh of Shafi'i. Two-thirds of the population, including the majority of Bruneian Malays and Bruneian Chinese, adhere to Islam.
Pediatric gastroenterologists generally provide treatment for the following: 1  Bleeding from the gastrointestinal tract. 2  Lactose intolerance. 3  Food allergies or intolerances. 4  Severe or complicated gastroesophageal reflux disease (reflux or GERD). 5  Inflammatory bowel disease. 6  Short bowel syndrome.ediatric gastroenterologists are specially trained to perform diagnostic tests of a childâs digestive system. Special instruments, such as endoscopes, are used to examine the inside of the digestive tract or obtain tissue samples (biopsies).
A gastroenterologist is a physician who specializes in diseases of the digestive system, also called the gastrointestinal (GI) tract.astroenterologists specialize in the evaluation, diagnosis, management, and treatment of the following symptoms and conditions: 1  Abdominal pain and discomfort. 2  Bleeding in the digestive tract.