Meier, R. and Steuerwald, M. 2003. The Role of Gastrointestinal Bacterial Ecology in Inflammatory Bowel Disease (IBD). The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy. 4, 2 (Jan. 2003), 48–53. DOI:https://doi.org/10.24871/42200348-53.