Objective: to discuss the duration of withering in rats spermatogenic cells induced by artificial cryptorchism.
目的探讨人工隐睾诱导小鼠生精细胞凋亡的时间依赖性。
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Conclusions: For cryptorchism, B-ultrasonography is a simple, safe and effective, and repeatable diagnostic method, may be the image method of first choice.