The Influence of L-NAME on iNOS Expression and Markers of Oxidative Stress in Allergen-Induced Airway Hyperreactivity -- Influence of Roflumilast on Airway Reactivity and Apoptosis in Ovalbumin-Sensitized Guinea Pigs -- Antitussive Activity of Withania Somnifera and Opioid Receptors -- Effects of Provinol and Its Combinations with Clinically Used Antiasthmatics on Airway Defense Mechanisms in Experimental Allergic Asthma -- Potassium Ion Channels and Allergic Asthma -- Impulse Oscillometry in the Diagnosis of Airway Resistance in Chronic Obstructive Pulmonary Disease -- Efficacy of Noninvasive Volume Targeted Ventilation in Patients with Chronic Respiratory Failure due to Kyphoscoliosis.