title: Letter: Complement in cystic fibrosis.
mesh_terms: D003165:Complement System Proteins; D003550:Cystic Fibrosis / Q000209:etiology / Q000276:immunology*; D005260:Female; D006636:Histamine Release; D006801:Humans; D007105:Immune Complex Diseases; D007074:Immunoglobulin G / Q000032:analysis; D008297:Male; D012744:Sex Ratio
chemical_list: D007074:Immunoglobulin G; D003165:Complement System Proteins