Effects of exposure to welding fume on lung function: results from the German WELDOX study -- Disability-Adjusted Life Years in the Assessment of Health Effects of Traffic-Related Air Pollution -- Impact of Traffic-Related Air Pollution on Health -- Traffic-related air pollution and respiratory tract efficiency -- Different Patterns in Changes of Exhaled Breath Condensate pH and Exhaled Nitric Oxide after Ozone Exposure -- Serial Measurements of Exhaled Nitric Oxide at Work and at Home: a New Tool for the Diagnosis of Occupational Asthma -- Prevalence of Work-Related Rhino-Conjunctivitis and Respiratory Symptoms among Domestic Waste Collectors -- Quality of Life and Health Care Utilization in Patients with Chronic Respiratory Diseases -- Usage of Medical Internet and E-Health Services by the Elderly.