牦牛胸腺增龄性变化的形态学观察

牦牛胸腺增龄性变化的形态学观察

张倩，余四九，何俊峰，崔燕

Morphologycal Observation of Age-Associated Changes in the Thymus of the Yak

ZHANG Qian, YU Si-jiu, HE Jun-feng, CUI Yan

畜牧兽医学报 . 2013, (8): 1305 -1310 . DOI: 10.11843/j.issn.0366-6964.2013.08.019