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.
Melnick JL. Tissue culture techniques and their application to original isolation, growth, and assay of poliomyelitis and orphan viruses. Ann. N.Y. Acad. Sci. 61: 754-772, 1955. PubMed: 13340582
