Mỹ cho phép bán thiết bị ngừa chứng đau nửa đầu
Cập nhật: 14:16 13/03/2014 GMT+7
Cơ quan Quản lý thực phẩm và dược phẩm Mỹ (FDA) đã cấp phép bán rộng rãi máy xung điện kích thích thần kinh qua da (TENS)...
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uuG7t+G7qeG7heG7qeG7sW/hu4Xhu5/hur7huqbhu6PEkeG6uy/huqrhur3hurvhuqrhu4Xhu6Phu7NrRETDouG7g+G6quG7nOG7ueG7n8ON4buD4bq9IuG7q3Dhu7nhu4Xhu6Lhu6vhu63hu7fhu6vhu4Xhuqrhu6vhurzhursv4bqq4bq9