Do you know the cytogenetic study results?
你知道细胞遗传的结果吗？
Objective: to investigate the characteristics of abnormal gestation and birth by cytogenetic study.
目的探讨不良妊娠史的细胞遗传学特点。
Methods:We have analysed 840 cases of congenital mental retardation with biochemistry lab tests, cytogenetic study and family investigation.
方法：对84 0例先天性智力低下患者进行生化检查、家系分析和细胞遗传学分析。
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