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本室在咨询门诊发现一例7号短臂部分重复而其他染色体正常,父母核型亦完全正常的智力低下女孩,在所查阅的国内外文献中未见同类报道。
In our consultation room, we found a case in which there was no duplication of the short arm on the 7th and other normal and normal karyotypes of the parents. There was no similar report in the literature reviewed at home and abroad.