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Representative microphotographs of double immunofluorescence staining for EpCAM, PARP-1, and FRα in endometriosis foci. The upper panels show EpCAM (green signal) and PARP-1 (red signal) expression. In the lower panels, FRα (green signal) and PARP-1 (red signal) are shown. Nuclei were stained with DAPI. Magnification 200x
