Otsuka et al. Journal of Experimental & Clinical Assisted Reproduction 2005 2:6   doi:10.1186/1743-1050-2-6
Figure 1	Resolution: standard / high

Immunohistochemical staining for STS of cumulus cells1A: ×400, 1B: ×1000 STS expression was present in all 9 samples of human cumulus cells that were immunohistochemically stained. The cytoplasm of the cumulus cells was stained by anti-human STS polyclonal antibody.