Molecular formula :
nature : Medical, said restoration is an alternative to a human limb, organ or tissue in medical devices. In vitro can be divided into restoration and implantable prosthesis. The former include artificial limbs, dentures, such as glass eyeball. The latter is all the internal human implantation, the replacement of the organ or tissue to repair the body, such as artificial tendons, artificial heart valves, artificial joints, etc..
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