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Appl Environ Microbiol. 1972 February; 23(2): 281-284
Copyright © 1972 American Society for Microbiology. All Rights Reserved.
1 National Animal Disease Laboratory, Veterinary Sciences Research Division, Agricultural Research Service, Ames, Iowa 50010
ABSTRACT
The Beaudette strain of avian infectious bronchitis virus propagated in chicken embryo kidney cells is stabilized by exposure to 1 M MgSO4 at 50 C for 80 min, at pH values ranging from 4 to 10.
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