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Arctic medicine. Tropical medicine
2
Medicine
2
R
2
RC955-962
2
Environmental sciences
1
Environmental technology. Sanitary engineering
1
GE1-350
1
Physics
1
Q
1
QC1-999
1
Science
1
TD1-1066
1
arctic tundra
1
carbon and nitrogen pools
1
deciduous shrubs
1
permfrost soil
1
thermo-erosional disturbance
1
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