- POLSKIE TOWARZYSTWO GASTROENTEROLOGII
- MEDLINE
- AGA – AMERICAN GASTROENTEROLOGICAL ASSOCIATION
- BRITISH SOCIETY OF GASTROENTEROLOGY
- ASSOCIATION OF NATIONAL EUROPEAN AND MEDITERRANEAN SOCIETIES OF GASTROENTEROLOGY
- EAGE – EUROPEAN ASSOCIATE FOR GASTROENTEROLOGY AND ENDOSCOPY
- EPC – EUROPEAN PANCREATIC CLUB
- ESGE – THE EUROPEAN SOCIETY OF GASTROINTESTINAL ENDOSCOPY
- ESPGHAN – EUROPEAN SOCIETY FOR PEDIATRIC GASTROENTEROLOGY, HEPATOLOGY AND NUTRITION
- IDS – INTERNATIONAL SOCIETY OF DIGESTIVE SURGERY
- ESCP – EUROPEAN SOCIETY OF CLINICAL PHARMACY
- ECCO – EUROPEAN CROHN’S & COLITIS ORGANIZATION
- EHSG – EUROPEAN HELICOBACTER STUDY GROUP