Two self-contieneed units de un simple organismos
LYFO DISK™ Escherichia coli (O45:H2) derived from CDC 00-3039
KWIK-STIK™ Escherichia coli derived from ATCC® 8739™
KWIK-STIK™ Escherichia coli derived from ATCC® 11303™
KWIK-STIK™ Escherichia coli derived from ATCC® 35421™