Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Nakamura S, et al. Numerical taxonomy of Saccharolytic Clostridia, particularly Clostridium perfringens-like strains: Descriptions of Clostridium absonum sp. n. and Clostridium paraperfringens. Int. J. Syst. Bacteriol. 23: 419-429, 1973.
