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.
Yamamura M, Valdimarsson H. A new semiquantitative radiometric opsonin assay. Selective measurement of opsonizing capacity of the alternative pathway. Immunology 34: 689-694, 1978. PubMed: 363601
