| http://www.w3.org/ns/prov#value | - The biodegradable magnesium based metallic material for medical use of the invention is capable of exhibiting a desired mechanical property at an early stage of implantation in the body without changing the mechanical properties inherent to magnesium or its alloy such as strength and ductility by forming a film, which contains magnesium oxide and magnesium hydroxide, on the surface of magnesium or
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