lung microbiome from sputum for 45B_33_5.1_Exacerbation
DNA sequencing of 16S rRNA V3-V5 region using primers 517F (5’-GCCAGCAGCCGCGGTAA-3’) and the reverse primer (5’-CTTGTGCGGGYCCCCGTCAAT-3’) with barcode CATAGTAGTG for subject 33 at a Exacerbation visit on 11_20_08