Fig. 4. Alpha smooth muscle actin expression in corpus cavernosum. Repre-sentative images of immunofluorescence staining in the corpus cavernosum. (A) Representative images of α-SMA staining for each group. Green indicates s α-SMA, and blue represents cell nuclei. Original magnification: ×200. (B) Mean intensity of α-SMA for each group. *P<0.05 compared with the old group.
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