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Protein expressions in the upper genital tract. Western blot was used to measure VEGF, Ang-2, and OPN protein levels in the upper genital tract of different groups (n = 5). a P < 0.05 compared with the control group; b P < 0.05 compared with the model group; c P < 0.05 compared with the aspirin group; d P < 0.05 compared with the DZD-H group.
