Fig. 1
From: Repeated bronchoscopy in health and obstructive lung disease: is the airway microbiome stable?
Upstream analyses (bioinformatic processing and clean-up) of samples for the MicroCOPD re-bronchoscopy study. ASV: amplicon sequence variant. PBAL1: first fraction of protected broncho-alveolar lavage. PBAL2: second fraction of protected broncho-alveolar lavage. rPSB: protected specimen brush from right lower lobe. lPSB: protected specimen brush from left upper lobe. NCS: negative control samples