Xác định một trường hợp hiếm gặp t(5;20;8)(q31;p11.2;p21) ba chiều phức tạp de novo với các microdeletion trên 5q31.2, 5q31.3 và 8p23.2 ở một bệnh nhân bị mất thính lực và chậm phát triển toàn diện: báo cáo trường hợp

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