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NEW! UPDATED content reflects the latest guidelines, testing procedure recommendations, and interpretive strategies of the American Thoracic Society/European Respiratory Society as well as the newest guidelines for exercise testing from the American Thoracic Society/American College of Chest Physicians. NEW! Practice tests on the Evolve companion website help you apply the knowledge learned in the text. NEW! Summary Points at the end of chapters reinforce important entry-level and advanced-level concepts.