<unk>  developed as a sub-specialty of pediatrics and gastroenterology. It is concerned with treating the gastrointestinal tract, liver and pancreas of children from infancy until age eighteen. The principal diseases it is concerned with are acute diarrhea, persistent vomiting, gastritis, and problems with the development of the gastric tract.
Pediatric gastroenterology
Pediatric surgery
Pediatric urology
Cardiology
Pediatric endocrinology
General surgery
Neonatology
Gastroenterology