[Pathophysiology and clinical significance of cough and sputum].
D001991:Bronchitis / Q000175:diagnosis; D002908:Chronic Disease; D003371:Cough; D004417:Dyspnea / Q000503:physiopathology; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology; D013183:Sputum / Q000032:analysis