title: Dyspnea in chronic airways obstruction.
mesh_terms: D004417:Dyspnea / Q000097:blood / Q000209:etiology / Q000503:physiopathology*; D005541:Forced Expiratory Volume; D005652:Functional Residual Capacity; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000150:complications*; D010100:Oxygen / Q000097:blood; D012123:Pulmonary Ventilation; D012119:Respiration; D012129:Respiratory Function Tests; D013990:Tidal Volume; D014797:Vital Capacity
chemical_list: D010100:Oxygen