Abstract Background The upper gastrointestinal tract plays a prominent role in human physiology as the primary site for enzymatic digestion and nutrient absorption. immune sampling. and drug uptake. Alterations to the small intestine microbiome have been implicated in various human diseases. https://www.spidertattooz.com/Metabo-HPT-NT1865DMASTM-18V-MV-15-Gauge-Brushless-Cordless-Angled-Finish-Nailer/