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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.
. . Can. J. Plant Sci. 47: 450-452, 1967.
. . Can. Plant Dis. Surv. 48: 128-129, 1968.
. . Can. Plant Dis. Surv. 51: 170-171, 1971.
