Increased levels of airways responsiveness as a risk factor for development of chronic obstructive lung disease. What are the issues?
D006801:Humans; D008168:Lung / Q000503:physiopathology; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D012137:Respiratory System / Q000503:physiopathology*; D012306:Risk; D012907:Smoking