lung microbiome from sputum for S15_57_2_Stable
DNA sequencing of 16S rRNA V3-V5 region using primers 517F (5’-GCCAGCAGCCGCGGTAA-3’) and the reverse primer (5’-CTTGTGCGGGYCCCCGTCAAT-3’) with barcode ACGAGTGCGT for subject 57 at a Stable visit on 02_27_08