Mycoplasma infections in patients with chronic obstructive pulmonary disease.
D001991:Bronchitis / Q000209:etiology*; D002908:Chronic Disease; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000209:etiology*; D009174:Mycoplasma / Q000302:isolation & purification; D009175:Mycoplasma Infections