6 lyophilized pellets de un simple microorganismososos strain for Control de calidad:
LYFO DISK™ Escherichia coli derived from ATCC® 35421™
KWIK-STIK™ Escherichia coli (JM101) derived from ATCC® 33876™
LYFO DISK™ Escherichia coli derived from ATCC® 4157™
LYFO DISK™ Escherichia coli derived from ATCC® 8739™