[Microbiological findings in chronic bronchitis].
D001419:Bacteria / Q000302:isolation & purification*; D001991:Bronchitis / Q000209:etiology / Q000382:microbiology*; D002908:Chronic Disease; D006801:Humans; D012141:Respiratory Tract Infections / Q000150:complications
Rilievi microbiologici in corso di bronchiti croniche.