title: IgG subclasses in respiratory disorders: cystic fibrosis.
mesh_terms: D000367:Age Factors; D003550:Cystic Fibrosis / Q000276:immunology*; D006801:Humans; D007074:Immunoglobulin G / Q000276:immunology*; D007132:Immunoglobulin Isotypes / Q000276:immunology; D008168:Lung / Q000276:immunology; D009895:Opsonin Proteins; D011550:Pseudomonas aeruginosa / Q000276:immunology
chemical_list: D007074:Immunoglobulin G; D007132:Immunoglobulin Isotypes; D009895:Opsonin Proteins