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.
Ahmed A. Plasmid vectors for positive galactose-resistance selection of cloned DNA in Escherichia coli. Gene 28: 37-43, 1984. PubMed: 6329914
Roberts TM, et al. A plasmid cloning vehicle allowing a positive selection for inserted fragmeants. Gene 12: 123-127, 1980. PubMed: 6260582
Asad Ahmed, personal communication
