2004o-151 612 anaerobicbacteria bacteria bacterialdiseases biodegradation congresses economics energy-generatingresources environmental eye female gastrointestinaltract genitalia greenchemistrytechnology humanbody medicalmicrobiology metabolism methods microbialecology microbiology microbiota microorganisms mouth physiology qw4a532r1985 qw52w751m2005 qw52y55i2016 refusedisposal respiratorysystem skin symbiosis urinarytract