title: [Refractory respiratory tract infections. 5. Persistence of chronic airway infections. a. Mechanism of etiology and persistence].
mesh_terms: D001987:Bronchiectasis / Q000150:complications; D001991:Bronchitis / Q000150:complications; D002908:Chronic Disease; D006193:Haemophilus influenzae / Q000472:pathogenicity; D006801:Humans; D011550:Pseudomonas aeruginosa / Q000472:pathogenicity; D012141:Respiratory Tract Infections / Q000209:etiology* / Q000276:immunology / Q000382:microbiology