| D007554 |
Isotopes |
Atomic species differing in mass number but having the same atomic number. (Grant & Hackh's Chemical Dictionary, 5th ed) |
Isotope |
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| D002621 |
Chemistry |
A basic science concerned with the composition, structure, and properties of matter; and the reactions that occur between substances and the associated energy exchange. |
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| D004782 |
Environmental Health |
The science of controlling or modifying those conditions, influences, or forces surrounding man which relate to promoting, establishing, and maintaining health. |
Environmental Health Science,Health, Environmental,Environmental Health Sciences,Environmental Healths,Health Science, Environmental,Health Sciences, Environmental,Healths, Environmental,Science, Environmental Health,Sciences, Environmental Health |
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| D005858 |
Germany |
A country in central Europe, bordering the Baltic Sea and the North Sea, between the Netherlands and Poland, south of Denmark. The capital is Berlin. |
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| D005859 |
Germany, East |
The former German Democratic Republic which was reunified with the former Federal Republic of Germany in 1990. |
Democratic Republic of Germany,German Democratic Republic,Germany, Democratic Republic of |
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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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| D049674 |
History, 21st Century |
Time period from 2001 through 2100 of the common era. |
21st Century History,21st Cent. History (Medicine),21st Cent. History of Medicine,21st Cent. Medicine,Historical Events, 21st Century,History of Medicine, 21st Cent.,History, Twenty-first Century,Medical History, 21st Cent.,Medicine, 21st Cent.,21st Cent. Histories (Medicine),21st Cent. Medicines,21st Century Histories,Cent. Histories, 21st (Medicine),Cent. History, 21st (Medicine),Cent. Medicine, 21st,Cent. Medicines, 21st,Century Histories, 21st,Century Histories, Twenty-first,Century History, 21st,Century History, Twenty-first,Histories, 21st Cent. (Medicine),Histories, 21st Century,Histories, Twenty-first Century,History, 21st Cent. (Medicine),History, Twenty first Century,Medicines, 21st Cent.,Twenty-first Century Histories,Twenty-first Century History |
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