Ung thư có niên đại cổ nhất thế giới
(TNO) - Các chuyên gia Anh vừa tìm được mầm ung thư vẫn tiếp tục lây truyền đến ngày nay kể từ khi 'mọc rễ' trong một con chó cách đây 11.000 năm.
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