text: 21717156_6	At the end of the treatment, changes in the following measurements were determined: lung histopathology, inflammatory cytokines including tumor necrosis factor a (TNF-a), transforming growth factor b (TGF-b) and interleukin IL-1b (IL-1b) in bronchoalveolar lavage fluid (BALF), and mRNA expression of endogenous active substance intestinal trefoil factor 3 (TFF3) in the lung tissue.