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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.
Falk BW, Weathers LG. Comparison of potato yelow dwarf virus serotypes. Phytopathology 73: 81-85, 1983.
. . CMI/AAB Descriptions of Plant Viruses No. 35: 1970..