The 21-day embryonic bursectomy and later 26-day embryonic bursectomy did not differ in effect on peripheral lymphoid organs.

  • 胚胎中晚期和胚胎晚期切除腔上囊对外周淋巴器官发生的影响差别不大。

  • 互联网摘选 2025-01-20 00:01:09

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