Occurrence of an unclassified organism, group IVd.
D000328:Adult; D000368:Aged; D001884:Bordetella / Q000145:classification*; D001987:Bronchiectasis / Q000382:microbiology*; D001991:Bronchitis / Q000382:microbiology*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000382:microbiology*; D013183:Sputum / Q000382:microbiology