
Keywords: CF, Cystic fibrosis; BAL, Bronchoalveolar lavage; ELISA, Enzyme-linked immunosorbent assay; CIE, Crossed immune electrophoresis; RIA, Radioimmunoassay; ExoA, Exotoxin A; ELA, Elastase; AP, Alkaline protease; TTSS, Type three secretion system; PCR, Polymer