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. 2003 Jul 24;362(9380):293–294. doi: 10.1016/S0140-6736(03)13973-6

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Copyright © 2003 Elsevier Ltd. All rights reserved.

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Effect of interferon β on replication of SARS-CoV strain: FFM-1 in Vero cells 72 h after infection

Virus detected in serum with peroxidase staining. *Values represent mean (SD) from three experiments, each done in triplicate.