title: Long-term course of chronic obstructive pulmonary disease. A new view of the mode of functional deterioration.
mesh_terms: D000328:Adult; D000368:Aged; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D012123:Pulmonary Ventilation; D012119:Respiration; D012907:Smoking / Q000150:complications; D013147:Spirometry; D013997:Time Factors; D014797:Vital Capacity