[1]Department of Gastroenterology;
Faculty of Medicine;
Hacettepe University;
Ankara 312;
Turkey;
[2]Department of Gastroenterology;
Cumhuriyet University;
Sivas 346;
Turkey;
[3]Department of Neurology;
Hacettepe University;
Ankara 312;
Turkey;
[4]Department of Ophthalmology;
Hacettepe University;
Ankara 312;
Turkey;
[1]Department of Gastroenterology;
Faculty of Medicine;
Hacettepe University;
Ankara 312;
Turkey;
[5]Department of Pathology;
Hacettepe University;
Ankara 312;
Turkey;
Congenital hepatic fibrosis; Nystagmus; Mental retardation; Retinitis pigmentosa; High-arched palate;