6 lyophilized pellets de un simple microorganismososos strain for Control de calidad:
KWIK-STIK™ Escherichia coli (O157:H7) derived from ATCC® 35150™
LYFO DISK™ Escherichia coli derived from ATCC® 4157™
LYFO DISK™ Escherichia coli derived from ATCC® 35421™
LYFO DISK™ Escherichia coli derived from ATCC® 8739™