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. 2006 Mar 1;42(5):634–639. doi: 10.1086/500136

Figure 1.

Figure 1

Ethidium bromide stain of 2% agarose gel showing RT-PCR products (443 bp) of partial coronavirus N gene with human coronavirus HKU1—specific primers. Lane 1, size marker (100 bp); lanes 2, 4–7, and 9, positive respiratory samples; lanes 3 and 8, negative control RT-PCR mix.