wherein the anaerobic bacteria is selected from the group consisting of {TAIL ~ Bacteroides fragilis}, Bacteroides malaninogenicus, Fusobacterium nucleatum, Clostridium perfringens, and {HEAD ~ Anaerobic cocci} 
wherein the anaerobic bacteria is selected from the group consisting of { TAIL ~ Bacteroides fragilis } , Bacteroides malaninogenicus , Fusobacterium nucleatum , Clostridium perfringens , and { HEAD ~ Anaerobic cocci }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD