The aortic valve is the heart's main doorway between the ...
Tiny implants that produce stimulation deep inside the ...
A fine needle used for injecting some medicinal liquid into ...
list of symbols used on the package/label and their ...
A new hip implant made from titanium and treated ...
This screw allows two movements which are completely ...
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Terms
용어사전
Followers
5
40
4
1
3
107
6
2