| D008297 |
Male |
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Males |
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| D009784 |
Occupational Diseases |
Diseases caused by factors involved in one's employment. |
Diseases, Occupational,Occupational Illnesses,Disease, Occupational,Illnesse, Occupational,Illnesses, Occupational,Occupational Disease,Occupational Illnesse |
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| D011890 |
Railroads |
Permanent roads having a line of rails fixed to ties and laid to gage, usually on a leveled or graded ballasted roadbed and providing a track for freight cars, passenger cars, and other rolling stock. Cars are designed to be drawn by locomotives or sometimes propelled by self-contained motors. (From Webster's 3d) The concept includes the organizational and administrative aspects of railroads as well. |
Subways,Railroad,Subway |
|
| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
|
| D000041 |
Absenteeism |
Chronic absence from work or other duty. |
|
|
| D012426 |
Russia |
A country located in north Asia bordering the Arctic Ocean, extending from Europe (the portion west of the Urals) to the North Pacific Ocean. The capital is Moscow. |
Russian S.F.S.R.,Russian Federation (Europe),Russian SFSR |
|
| D014505 |
Urban Population |
The inhabitants of a city or town, including metropolitan areas and suburban areas. |
Urban Residence,Urban Spatial Distribution,Distribution, Urban Spatial,Distributions, Urban Spatial,Population, Urban,Populations, Urban,Residence, Urban,Urban Populations,Urban Residences,Urban Spatial Distributions |
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