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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.
. . Phytopathology 46: 650, 1956.
. . Phytopathology 57: 164, 1967.
. . N.Z. J. Bot. 5: 197, 1967.
