Kupczyk, D., Augustyńska, B. and Mierzwa, G. 2017. Share of reactive oxygen species (ROS) in inflammatory bowel disease. The diagnostic usefulness of selected markers. Part 1. Medical and Biological Sciences. 30, 4 (Mar. 2017), 43–48. DOI:https://doi.org/10.12775/MBS.2016.033.