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. 2013 Oct 8;3:2850. doi: 10.1038/srep02850

Figure 1. Bull epididymal sperm nuclei and acrosomes stained with 4′,6′-diamino-2′-phenylindole (DAPI) and fluorescein isothiocyanate (FITC-PNA).

Figure 1

A. Phase-contrast, B. DAPI-stained, C. FITC-PNA stained, and D. DAPI + FITC-PNA- stained images. Scale bar, 20 μm; magnification, 1000×.