Additional file 1.

Figure S1. HR-HPV detection by ISH. Representative images of (a) L-SIL sample in which HPV-probe set was excluded (negative control); (b-d) HR-HPV positive H-SIL showing strong nuclear staining. (a-c) 40×, (d) 100 ×.

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Mendoza-Catalán et al. BMC Cancer 2012 12:116   doi:10.1186/1471-2407-12-116