FDA acceptance is reserved for things which are brand-new treatments, and have the greatest volume of risk. Normally, these equipment are Class III Health care Equipment and undergo an incredibly arduous review procedure.Kèo ch?p m?t n?a t?c là ??i c?a trên s? ch?p ??i c?a d??i n?a trái tr??c khi tr?n ??u di?n ra. Khi ?ó s? x?y ra các tr??ng