Interleukin-33 as a New Marker of Pulmonary Sarcoidosis -- Finite Elements Modeling in Diagnostics of Small Closed Pneumothorax -- Comparison of Small Bore Catheter Aspiration and Chest Tube Drainage in the Management of Spontaneous Pneumothorax -- Brown Adipose Tissue and Browning Agents: Irisin and FGF21 in the Development of Obesity in Children and Adolescents -- Regulatory T cells in obesity -- Peroxynitrite in Sarcoidosis: Relation to Mycobacterium Stationary Phase -- Effects on Lung Function of Small-Volume Conventional Ventilation and High-Frequency Oscillation Ventilation in a Model of Meconium Aspiration Syndrome -- Expression of HIF-1A/VEGF/ING-4 Axis in Pulmonary Sarcoidosis -- Factors Influencing Utilization of Primary Health Care Services in Patients with Chronic Respiratory Diseases -- Influence of Iron Overload on Immunosuppressive Therapy in Children with Severe Aplastic Anemia.