This book brings a new approach to the subject of chronic obstructive pulmonary disease, highlighting the current areas of controversy and debate. It addresses many of the key issues surrounding the diseases, its causes, clinical assessment and management. Internationally renowned experts critically appraise the literature and combine this with their own clinical and research experience to present an informed view of a wide range of issues. Arguments are therefore supported by the most recently available evidence. Chronic Obstructive Pulmonary Disease - Critical Debates provides the reader with an up-to-date interpretation of the clinical trial data in this field and their relevance to daily practice.