| D010414 |
Pennsylvania |
State bounded on the north by New York and Lake Erie, on the east by Delaware and New Jersey, on the south by Delaware and Maryland, and on the west by Ohio and West Virginia. |
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| D012572 |
School Health Services |
Preventive health services provided for students. It excludes college or university students. |
Health Services, School,School Health Promotion,School-Based Health Services,School-Based Services,Services, School Health,Health Promotion, School,Health Promotions, School,Health Service, School,Health Service, School-Based,Health Services, School-Based,Promotion, School Health,Promotions, School Health,School Based Health Services,School Based Services,School Health Promotions,School Health Service,School-Based Health Service,School-Based Service,Service, School Health,Service, School-Based,Service, School-Based Health,Services, School-Based,Services, School-Based Health |
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| D014481 |
United States |
A country in NORTH AMERICA between CANADA and MEXICO. |
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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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