NF S98-004-2:2006 Sterilization of health care products - Biological indicators - Part 2 : biological indicators for ethylene oxide sterilization processes.
2009NF S98-004-2:2009 Sterilization of health care products - Biological indicators - Part 2 : biological indicators for ethylene oxide sterilization processes.
2006NF S98-004-2:2006 Sterilization of health care products - Biological indicators - Part 2 : biological indicators for ethylene oxide sterilization processes.
1997NF S98-004-2:1997 Biological systems for testing sterilizers and sterilization processes. Part 2 : particular systems for use in ethylene oxide sterilizers.