title: Antibody responses to bacterial antigens during exacerbations of chronic bronchitis.
mesh_terms: D000917:Antibody Formation; D000941:Antigens / Q000302:isolation & purification; D001991:Bronchitis / Q000382:microbiology*; D004755:Enterobacteriaceae; D005455:Fluorescent Antibody Technique; D006192:Haemophilus Infections / Q000453:epidemiology*; D006193:Haemophilus influenzae; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D011008:Pneumococcal Infections / Q000453:epidemiology*; D013183:Sputum / Q000382:microbiology*; D013296:Streptococcus pneumoniae
chemical_list: D000941:Antigens; D007074:Immunoglobulin G; D007075:Immunoglobulin M