Tri seo loi lau nam

Seo loi khoan gan 4 nam dung kem tri seo nao co ket qua nhat .. Va co the chua duoc bao nhieu phan tram vet seo.. Seo cua toi vong tron moi chieu khoang 1.1 cm noi len khoang 1 mm ... Xin tu van giup