Hy vọng cho người bị tổn thương cột sống
Cập nhật: 14:17 23/07/2012 GMT+7
Sau 5 năm làm việc miệt mài, các nhà nghiên cứu Thụy Sĩ đã thành công trong việc giúp các chú chuột bị tổn thương cột sống nghiêm trọng đi lại bình thường, nhờ vào một kỹ thuật đáng ngạc nhiên gồm 3 giai đoạn.
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