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A, Immunohistochemical staining of cleaved caspase 3 and calculated cleaved caspase 3-expressed areas. B, TUNEL staining and the number of TUNEL-positive cells in tendon tissue from ovariectomized rats after cyclic stretching. Scale bars represent 100 and 50 μm in × 200 and × 400 magnifications. Values are the mean ± SEM (n = 3). *p<0.05, **p<0.01, ***p<0.001.
