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.
Gross L. Development and serial cellfree passage of a highly potent strain of mouse leukemia virus. Proc. Soc. Exp. Biol. Med. 94: 767-771, 1957. PubMed: 13431949
