M. Hajji

Bile acid malabsorption assessed by 7 alpha-hydroxy-4-cholesten-3-one in pediatric inflammatory bowel disease: correlation to clinical and laboratory findings.

S. Koletzko, C. Rust, F. Beigel, 2014, Journal of Crohn's & colitis.

Increase of Intra-abdominal Adipose Tissue in Pediatric Crohn Disease

H. Hetterich, S. Koletzko, K. Frivolt, 2017, Journal of pediatric gastroenterology and nutrition.

Esophageal Perforation and EVAC in Pediatric Patients: A Case Series of Four Children

D. V. von Schweinitz, S. Koletzko, T. Schwerd, 2021, Frontiers in Pediatrics.

Partial enteral nutrition has no benefit on bone health but improves growth in paediatric patients with quiescent or mild Crohn's disease.

B. Koletzko, O. Uhl, D. Haller, 2020, Clinical nutrition.

Abatacept for treatment-refractory pediatric CTLA4-haploinsufficiency.

C. Klein, J. Ley-Zaporozhan, C. Walz, 2021, Clinical immunology.