Objective : To investigate the veracity of Gothic arch transferring centric relation position of edentulous jaws.
目的: 探讨哥特氏弓测定无牙颌正中颌位的准确性.
The X chromosomes were all submeta-centric and the Y chromosomes were acrocentric in five breeds.
X染色体均为近中着丝粒染色体,Y染色体为近端着丝粒染色体.
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