| D012425 |
Russia (Pre-1917) |
A monarchy located in north Asia bordering the Arctic Ocean, extending from Europe (the portion west of the Urals) to the North Pacific Ocean. St Petersburg was the capital 1712–1918. Moscow was the capital before St. Petersburg and following it. |
Russia (Pre 1917) |
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| D013515 |
Surgery, Oral |
A dental specialty concerned with the diagnosis and surgical treatment of disease, injuries, and defects of the human oral and maxillofacial region. |
Exodontics,Surgery, Maxillofacial,Maxillofacial Surgery,Oral Surgery |
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| D013518 |
Surgery, Plastic |
The branch of surgery concerned with restoration, reconstruction, or improvement of defective, damaged, or missing structures. |
Cosmetic Surgery,Esthetic Surgery,Plastic Surgery,Surgery, Cosmetic,Surgery, Esthetic,Reconstructive Surgery,Surgery, Reconstructive |
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| D014586 |
USSR |
A country located from the Baltic and Black seas to the Pacific Ocean and, for a time including 15 Soviet Socialist Republics. The capital was Moscow. |
Soviet Union,Union of Soviet Socialist Republics |
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| D049673 |
History, 20th Century |
Time period from 1901 through 2000 of the common era. |
20th Century History,20th Cent. History (Medicine),20th Cent. History of Medicine,20th Cent. Medicine,Historical Events, 20th Century,History of Medicine, 20th Cent.,History, Twentieth Century,Medical History, 20th Cent.,Medicine, 20th Cent.,20th Cent. Histories (Medicine),20th Century Histories,Cent. Histories, 20th (Medicine),Cent. History, 20th (Medicine),Century Histories, 20th,Century Histories, Twentieth,Century History, 20th,Century History, Twentieth,Histories, 20th Cent. (Medicine),Histories, 20th Century,Histories, Twentieth Century,History, 20th Cent. (Medicine),Twentieth Century Histories,Twentieth Century History |
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