Truoc het xin moi nguoi thong cam vi may minh moi cai win lai nen mat tieng viet.Minh nhan cay V3I rot nuoc say len thi co nguon nghe goi binh thuong nhung ko co den MH va den BP minh da test day nguon va MH roi ma van vay mong moi nguoi thong cam va giup cho.thanks