Zaslavsky O.Yu.
Elsevier
European Medical Journal
african journal of gastroenterology and hepatology
Indonesian Society of Pediatric Gastroenterology, Hepatology, and Nutrition
Turkish Society of Gastroenterology
BMC
BMJ Publishing Group
Wiley
Karger Publishers
Dove Medical Press
Wolters Kluwer
SAGE Publishing
Frontiers Media S.A.
Oxford University Press
Termedia Publishing House