Amblyopia occurs in the early stage of visual system development after born, and there is functionally abnormal development from retina to optic center.
2
超声检查是发育性髋关节异常早期筛选、早期诊断和追踪随访的重要方法。
Ultrasonography is a significant method in early screening, early diagnosis and follow up of developmental dysplasia of the hip.
3
前言：目的研究性腺发育异常与染色体异常的相关性。
Objective: To investigate the relationship between gonad dysplasia and abnormal chromosome karyotypes.
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