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