Polymorphisms of DNA repair genes and lung cancer in chromium exposure -- Circulating thrombospondin-2 and FGF-2 in patients with advanced non-small cell lung cancer: correlation with survival -- Mismatch repair gene polymorphisms and association with lung cancer development -- The potential of Wharton's jelly derived mesenchymal stem cells in treating patients with cystic fibrosis -- Fatigue in sarcoidosis and exercise tolerance, dyspnea, and quality of life -- The rs1800471 polymorphism of TGFB1 gene, serum TGF-beta1 level and chronic kidney disease progression -- Immunological characteristics of children with Hashimoto's autoimmune thyroiditis -- Endostatin and cathepsin V in bronchoalveolar lavage fluid of patients with pulmonary sarcoidosis -- Posturography in patients with rheumatoid arthritis and osteoarthritis.