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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.
Cadman CH. Studies on the relationship between soilborne viruses of the ringspot type occurring in Britain and Continental Europe. Virology 11: 653-664, 1960. PubMed: 13689727
Harrison BD, Nixon HL. Purification and electron microscopy of three soil-borne plant viruses. Virology 12: 104-117, 1960. PubMed: 13711806
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