Are upper gastrointestinal symptoms associated with exacerbations of COPD?
Cholongitas
E
E
Pipili
C
C
Dasenaki
M
M
Goudras
S
S
D000368:Aged; D015331:Cohort Studies; D005260:Female; D005767:Gastrointestinal Diseases / Q000150:complications*; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000209:etiology*