1. Amoroso A, Di Stasio F, Ranucci G et al (2023) Thrombotic features as the primary cause of SARS-CoV-2 related acute abdomen in children. J Pediatr Gastroenterol Nutr 77:474–478
2. Elling R (2023) Krankheitslast durch SARS-CoV-2 bei Kindern und Jugendlichen. Monatsschr Kinderheilkd 171:584–593
3. Goulet O, Seidman EG (2004) Gastrointestinal manifestations of immunodeficiency. 1. Primary immunodeficiency diseases. In: Walker WA, Goulet O, Kleinman RE, Sherman PM, Shneider BL, Sanderson IR (Hrsg) Pediatric gastrointestinal disease. Pathophysiology, diagnosis, management. Decker, Hamilton, S 707–733
4. Larson AM, Mcdonald GB (2016) Gastrointestinal and hepatic complications of solid organ and hematopoetic cell transplantation. In: Feldman M, Friedman LS, Brandt LJ (Hrsg) Sleisenger and Fordtran’s gastrointestinal and liver disease, Bd 1. Saunders/Elsevier, Philadelphia, S 555–578
5. Marciano BE, Rosenzweig SD, Kleiner DE et al (2004) Gastrointestinal involvement in chronic granulomatous disease. Pediatrics 114:462–468