Associate professor Peter Celec and colleagues published two new articles. The first was created in collaboration with professor Alexandra Kolenová from the National Institute of Children’s Diseases and concerns with the importance of the new EBMT criteria in the diagnosis of veno-occlusive liver disease in children. The second article is devoted to the long-term effect of drinking cola on bone structure, which was created with colleagues from the Department of Zoology and Anthropology at the Constantine the Philosopher University in Nitra.