title: Role of infection in bronchial asthma.
mesh_terms: D001249:Asthma / Q000209:etiology* / Q000276:immunology / Q000382:microbiology; D001424:Bacterial Infections / Q000150:complications*; D001428:Bacterial Vaccines / Q000008:administration & dosage; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D006801:Humans; D006968:Hypersensitivity, Delayed; D006969:Hypersensitivity, Immediate; D007252:Influenza Vaccines / Q000008:administration & dosage; D007251:Influenza, Human / Q000150:complications* / Q000276:immunology; D012882:Skin Tests; D013183:Sputum / Q000382:microbiology
chemical_list: D001428:Bacterial Vaccines; D007252:Influenza Vaccines