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No correlation between bronchoalveolar lavage (BAL) differential cell counts and bacterial burden of subjects with idiopathic pulmonary fibrosis (IPF). Illustrating correlation between bacterial burden and percentage of (a) macrophages, (b) neutrophils, (c) lymphocytes and (d) eosinophils in BAL of subjects with IPF (n=193). Bacterial burden calculated by qPCR and expressed as log10 16S rRNA gene copies·mL−1 of BAL.
