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Microbial classification based on 16S rDNA sequencing in BALF. Two BAFL samples derived from 2 male advanced NSCLC patients were used for 16S rDNA sequencing. (A) The graphic taxonomic trees of genus. (B) The graphic taxonomic trees of OTUs. rDNA, ribosomal DNA; BALF, bronchoalveolar fluid; NSCLC, non-small cell lung cancer; OTUs, operational taxonomic units.
