[Respiratory pathogens in chronic obstructive pulmonary disease in the Guangzhou area].
Yu
G H
GH
D000328:Adult; D000368:Aged; D000818:Animals; D001421:Bacteria, Anaerobic / Q000302:isolation & purification*; D002681:China; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000382:microbiology*; D008297:Male; D051379:Mice; D008875:Middle Aged; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification; D013183:Sputum / Q000382:microbiology